315775025 has 6 divisors (see below), whose sum is σ = 391561062. Its totient is φ = 252620000.

The previous prime is 315775001. The next prime is 315775039. The reversal of 315775025 is 520577513.

It can be written as a sum of positive squares in 3 ways, for example, as 9909904 + 305865121 = 3148^2 + 17489^2 .

It is not a de Polignac number, because 315775025 - 2⁶ = 315774961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6315476 + ... + 6315525.

It is an arithmetic number, because the mean of its divisors is an integer number (65260177).

Almost surely, 2^315775025 is an apocalyptic number.

It is an amenable number.

315775025 is a deficient number, since it is larger than the sum of its proper divisors (75786037).

315775025 is a wasteful number, since it uses less digits than its factorization.

315775025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631011 (or 12631006 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 315775025 is about 17770.0597916833. The cubic root of 315775025 is about 680.9667801198.

The spelling of 315775025 in words is "three hundred fifteen million, seven hundred seventy-five thousand, twenty-five".