315525064 has 8 divisors (see below), whose sum is σ = 591609510. Its totient is φ = 157762528.

The previous prime is 315525031. The next prime is 315525071. The reversal of 315525064 is 460525513.

It can be written as a sum of positive squares in only one way, i.e., 311240164 + 4284900 = 17642^2 + 2070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19720309 + ... + 19720324.

Almost surely, 2^315525064 is an apocalyptic number.

It is an amenable number.

315525064 is a deficient number, since it is larger than the sum of its proper divisors (276084446).

315525064 is a wasteful number, since it uses less digits than its factorization.

315525064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39440639 (or 39440635 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 315525064 is about 17763.0251927987. The cubic root of 315525064 is about 680.7870529338.

The spelling of 315525064 in words is "three hundred fifteen million, five hundred twenty-five thousand, sixty-four".