Is 563721 a prime number?

563 721 is an odd number, because it is not evenly divisible by 2.

Find out more:

• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 563 721 is about 750.814.

Thus, the square root of 563 721 is not an integer, and therefore 563 721 is not a square number.

The square of a number (here 563 721) is the result of the product of this number (563 721) by itself (i.e., 563 721 × 563 721); the square of 563 721 is sometimes called "raising 563 721 to the power 2", or "563 721 squared".

The square of 563 721 is 317 781 365 841 because 563 721 × 563 721 = 563 721² = 317 781 365 841.

As a consequence, 563 721 is the square root of 317 781 365 841.

563 721 is a number with 6 digits.

The multiples of 563 721 are all integers evenly divisible by 563 721, that is all numbers such that the remainder of the division by 563 721 is zero. There are infinitely many multiples of 563 721. The smallest multiples of 563 721 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 563 721 too, since 0 × 563 721 = 0
• 563 721: indeed, 563 721 is a multiple of itself, since 563 721 is evenly divisible by 563 721 (we have 563 721 / 563 721 = 1, so the remainder of this division is indeed zero)
• 1 127 442: indeed, 1 127 442 = 563 721 × 2
• 1 691 163: indeed, 1 691 163 = 563 721 × 3
• 2 254 884: indeed, 2 254 884 = 563 721 × 4
• 2 818 605: indeed, 2 818 605 = 563 721 × 5
• etc.

• Preceding numbers: …563 719, 563 720
• Following numbers: 563 722, 563 723…

Nearest numbers from 563 721

• Preceding prime number: 563 663
• Following prime number: 563 723