It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 604 637 is not a prime number.
For example, 604 637 can be divided by 11: 604 637 / 11 = 54 967.
For 604 637 to be a prime number, it would have been required that 604 637 has only two divisors, i.e., itself and 1.
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604 637 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 604 637 is about 777.584.
Thus, the square root of 604 637 is not an integer, and therefore 604 637 is not a square number.
The square of a number (here 604 637) is the result of the product of this number (604 637) by itself (i.e., 604 637 × 604 637); the square of 604 637 is sometimes called "raising 604 637 to the power 2", or "604 637 squared".
The square of 604 637 is 365 585 901 769 because 604 637 × 604 637 = 604 6372 = 365 585 901 769.
As a consequence, 604 637 is the square root of 365 585 901 769.
The multiples of 604 637 are all integers evenly divisible by 604 637, that is all numbers such that the remainder of the division by 604 637 is zero. There are infinitely many multiples of 604 637. The smallest multiples of 604 637 are: