Is 201521 a prime number?

201 521 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 201 521 is about 448.911.

Thus, the square root of 201 521 is not an integer, and therefore 201 521 is not a square number.

The square of a number (here 201 521) is the result of the product of this number (201 521) by itself (i.e., 201 521 × 201 521); the square of 201 521 is sometimes called "raising 201 521 to the power 2", or "201 521 squared".

The square of 201 521 is 40 610 713 441 because 201 521 × 201 521 = 201 521² = 40 610 713 441.

As a consequence, 201 521 is the square root of 40 610 713 441.

201 521 is a number with 6 digits.

The multiples of 201 521 are all integers evenly divisible by 201 521, that is all numbers such that the remainder of the division by 201 521 is zero. There are infinitely many multiples of 201 521. The smallest multiples of 201 521 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 201 521 too, since 0 × 201 521 = 0
• 201 521: indeed, 201 521 is a multiple of itself, since 201 521 is evenly divisible by 201 521 (we have 201 521 / 201 521 = 1, so the remainder of this division is indeed zero)
• 403 042: indeed, 403 042 = 201 521 × 2
• 604 563: indeed, 604 563 = 201 521 × 3
• 806 084: indeed, 806 084 = 201 521 × 4
• 1 007 605: indeed, 1 007 605 = 201 521 × 5
• etc.

• Preceding numbers: …201 519, 201 520
• Following numbers: 201 522, 201 523…

Nearest numbers from 201 521

• Preceding prime number: 201 517
• Following prime number: 201 547