It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 797 537 is not a prime number.
For example, 797 537 can be divided by 13: 797 537 / 13 = 61 349.
For 797 537 to be a prime number, it would have been required that 797 537 has only two divisors, i.e., itself and 1.
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797 537 is an odd number, because it is not evenly divisible by 2.
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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 797 537 is about 893.049.
Thus, the square root of 797 537 is not an integer, and therefore 797 537 is not a square number.
The square of a number (here 797 537) is the result of the product of this number (797 537) by itself (i.e., 797 537 × 797 537); the square of 797 537 is sometimes called "raising 797 537 to the power 2", or "797 537 squared".
The square of 797 537 is 636 065 266 369 because 797 537 × 797 537 = 797 5372 = 636 065 266 369.
As a consequence, 797 537 is the square root of 636 065 266 369.
The multiples of 797 537 are all integers evenly divisible by 797 537, that is all numbers such that the remainder of the division by 797 537 is zero. There are infinitely many multiples of 797 537. The smallest multiples of 797 537 are: