It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 997 231 is not a prime number.
For example, 997 231 can be divided by 193: 997 231 / 193 = 5 167.
For 997 231 to be a prime number, it would have been required that 997 231 has only two divisors, i.e., itself and 1.
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997 231 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 997 231 is about 998.615.
Thus, the square root of 997 231 is not an integer, and therefore 997 231 is not a square number.
The square of a number (here 997 231) is the result of the product of this number (997 231) by itself (i.e., 997 231 × 997 231); the square of 997 231 is sometimes called "raising 997 231 to the power 2", or "997 231 squared".
The square of 997 231 is 994 469 667 361 because 997 231 × 997 231 = 997 2312 = 994 469 667 361.
As a consequence, 997 231 is the square root of 994 469 667 361.
The multiples of 997 231 are all integers evenly divisible by 997 231, that is all numbers such that the remainder of the division by 997 231 is zero. There are infinitely many multiples of 997 231. The smallest multiples of 997 231 are: