It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 267 607 is not a prime number.
For example, 267 607 can be divided by 41: 267 607 / 41 = 6 527.
For 267 607 to be a prime number, it would have been required that 267 607 has only two divisors, i.e., itself and 1.
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267 607 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 267 607 is about 517.307.
Thus, the square root of 267 607 is not an integer, and therefore 267 607 is not a square number.
The square of a number (here 267 607) is the result of the product of this number (267 607) by itself (i.e., 267 607 × 267 607); the square of 267 607 is sometimes called "raising 267 607 to the power 2", or "267 607 squared".
The square of 267 607 is 71 613 506 449 because 267 607 × 267 607 = 267 6072 = 71 613 506 449.
As a consequence, 267 607 is the square root of 71 613 506 449.
The multiples of 267 607 are all integers evenly divisible by 267 607, that is all numbers such that the remainder of the division by 267 607 is zero. There are infinitely many multiples of 267 607. The smallest multiples of 267 607 are: