It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 709 016 is not a prime number.
For example, 709 016 can be divided by 2: 709 016 / 2 = 354 508.
For 709 016 to be a prime number, it would have been required that 709 016 has only two divisors, i.e., itself and 1.
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709 016 is an even number, because it is evenly divisible by 2: 709 016 / 2 = 354 508.
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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 709 016 is about 842.031.
Thus, the square root of 709 016 is not an integer, and therefore 709 016 is not a square number.
The square of a number (here 709 016) is the result of the product of this number (709 016) by itself (i.e., 709 016 × 709 016); the square of 709 016 is sometimes called "raising 709 016 to the power 2", or "709 016 squared".
The square of 709 016 is 502 703 688 256 because 709 016 × 709 016 = 709 0162 = 502 703 688 256.
As a consequence, 709 016 is the square root of 502 703 688 256.
The multiples of 709 016 are all integers evenly divisible by 709 016, that is all numbers such that the remainder of the division by 709 016 is zero. There are infinitely many multiples of 709 016. The smallest multiples of 709 016 are: