It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 552 is not a prime number.
For example, 397 552 can be divided by 2: 397 552 / 2 = 198 776.
For 397 552 to be a prime number, it would have been required that 397 552 has only two divisors, i.e., itself and 1.
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397 552 is an even number, because it is evenly divisible by 2: 397 552 / 2 = 198 776.
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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 397 552 is about 630.517.
Thus, the square root of 397 552 is not an integer, and therefore 397 552 is not a square number.
The square of a number (here 397 552) is the result of the product of this number (397 552) by itself (i.e., 397 552 × 397 552); the square of 397 552 is sometimes called "raising 397 552 to the power 2", or "397 552 squared".
The square of 397 552 is 158 047 592 704 because 397 552 × 397 552 = 397 5522 = 158 047 592 704.
As a consequence, 397 552 is the square root of 158 047 592 704.
The multiples of 397 552 are all integers evenly divisible by 397 552, that is all numbers such that the remainder of the division by 397 552 is zero. There are infinitely many multiples of 397 552. The smallest multiples of 397 552 are: