315325057 has 2 divisors, whose sum is σ = 315325058. Its totient is φ = 315325056.

The previous prime is 315325039. The next prime is 315325069. The reversal of 315325057 is 750523513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309900816 + 5424241 = 17604^2 + 2329^2 .

It is a cyclic number.

It is not a de Polignac number, because 315325057 - 2¹¹ = 315323009 is a prime.

It is not a weakly prime, because it can be changed into another prime (315325097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157662528 + 157662529.

It is an arithmetic number, because the mean of its divisors is an integer number (157662529).

Almost surely, 2^315325057 is an apocalyptic number.

It is an amenable number.

315325057 is a deficient number, since it is larger than the sum of its proper divisors (1).

315325057 is an equidigital number, since it uses as much as digits as its factorization.

315325057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 315325057 is about 17757.3944316164. The cubic root of 315325057 is about 680.6431753445.

The spelling of 315325057 in words is "three hundred fifteen million, three hundred twenty-five thousand, fifty-seven".