315525553 has 12 divisors (see below), whose sum is σ = 367518900. Its totient is φ = 270097632.

The previous prime is 315525541. The next prime is 315525557. The reversal of 315525553 is 355525513.

It can be written as a sum of positive squares in 2 ways, for example, as 130347889 + 185177664 = 11417^2 + 13608^2 .

It is not a de Polignac number, because 315525553 - 2²⁵ = 281971121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315525557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38023 + ... + 45571.

It is an arithmetic number, because the mean of its divisors is an integer number (30626575).

Almost surely, 2^315525553 is an apocalyptic number.

It is an amenable number.

315525553 is a deficient number, since it is larger than the sum of its proper divisors (51993347).

315525553 is an equidigital number, since it uses as much as digits as its factorization.

315525553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416 (or 8409 counting only the distinct ones).

The product of its digits is 56250, while the sum is 34.

The square root of 315525553 is about 17763.0389573406. The cubic root of 315525553 is about 680.7874046276.

The spelling of 315525553 in words is "three hundred fifteen million, five hundred twenty-five thousand, five hundred fifty-three".