It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 511 471 is not a prime number.
For example, 511 471 can be divided by 59: 511 471 / 59 = 8 669.
For 511 471 to be a prime number, it would have been required that 511 471 has only two divisors, i.e., itself and 1.
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511 471 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 511 471 is about 715.172.
Thus, the square root of 511 471 is not an integer, and therefore 511 471 is not a square number.
The square of a number (here 511 471) is the result of the product of this number (511 471) by itself (i.e., 511 471 × 511 471); the square of 511 471 is sometimes called "raising 511 471 to the power 2", or "511 471 squared".
The square of 511 471 is 261 602 583 841 because 511 471 × 511 471 = 511 4712 = 261 602 583 841.
As a consequence, 511 471 is the square root of 261 602 583 841.
The multiples of 511 471 are all integers evenly divisible by 511 471, that is all numbers such that the remainder of the division by 511 471 is zero. There are infinitely many multiples of 511 471. The smallest multiples of 511 471 are: