It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 165 497 is not a prime number.
For example, 165 497 can be divided by 167: 165 497 / 167 = 991.
For 165 497 to be a prime number, it would have been required that 165 497 has only two divisors, i.e., itself and 1.
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165 497 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 165 497 is about 406.813.
Thus, the square root of 165 497 is not an integer, and therefore 165 497 is not a square number.
The square of a number (here 165 497) is the result of the product of this number (165 497) by itself (i.e., 165 497 × 165 497); the square of 165 497 is sometimes called "raising 165 497 to the power 2", or "165 497 squared".
The square of 165 497 is 27 389 257 009 because 165 497 × 165 497 = 165 4972 = 27 389 257 009.
As a consequence, 165 497 is the square root of 27 389 257 009.
The multiples of 165 497 are all integers evenly divisible by 165 497, that is all numbers such that the remainder of the division by 165 497 is zero. There are infinitely many multiples of 165 497. The smallest multiples of 165 497 are: