It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 527 is not a prime number.
For example, 489 527 can be divided by 491: 489 527 / 491 = 997.
For 489 527 to be a prime number, it would have been required that 489 527 has only two divisors, i.e., itself and 1.
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489 527 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 489 527 is about 699.662.
Thus, the square root of 489 527 is not an integer, and therefore 489 527 is not a square number.
The square of a number (here 489 527) is the result of the product of this number (489 527) by itself (i.e., 489 527 × 489 527); the square of 489 527 is sometimes called "raising 489 527 to the power 2", or "489 527 squared".
The square of 489 527 is 239 636 683 729 because 489 527 × 489 527 = 489 5272 = 239 636 683 729.
As a consequence, 489 527 is the square root of 239 636 683 729.
The multiples of 489 527 are all integers evenly divisible by 489 527, that is all numbers such that the remainder of the division by 489 527 is zero. There are infinitely many multiples of 489 527. The smallest multiples of 489 527 are: