It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 667 is not a prime number.
For example, 264 667 can be divided by 13: 264 667 / 13 = 20 359.
For 264 667 to be a prime number, it would have been required that 264 667 has only two divisors, i.e., itself and 1.
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264 667 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 264 667 is about 514.458.
Thus, the square root of 264 667 is not an integer, and therefore 264 667 is not a square number.
The square of a number (here 264 667) is the result of the product of this number (264 667) by itself (i.e., 264 667 × 264 667); the square of 264 667 is sometimes called "raising 264 667 to the power 2", or "264 667 squared".
The square of 264 667 is 70 048 620 889 because 264 667 × 264 667 = 264 6672 = 70 048 620 889.
As a consequence, 264 667 is the square root of 70 048 620 889.
The multiples of 264 667 are all integers evenly divisible by 264 667, that is all numbers such that the remainder of the division by 264 667 is zero. There are infinitely many multiples of 264 667. The smallest multiples of 264 667 are: