315265530 has 32 divisors (see below), whose sum is σ = 777089664. Its totient is φ = 81798336.

The previous prime is 315265477. The next prime is 315265553. The reversal of 315265530 is 35562513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140902 + ... + 143121.

It is an arithmetic number, because the mean of its divisors is an integer number (24284052).

Almost surely, 2^315265530 is an apocalyptic number.

315265530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315265530 is an abundant number, since it is smaller than the sum of its proper divisors (461824134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315265530 is a wasteful number, since it uses less digits than its factorization.

315265530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284070.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 315265530 is about 17755.7182338536. The cubic root of 315265530 is about 680.6003420891.

The spelling of 315265530 in words is "three hundred fifteen million, two hundred sixty-five thousand, five hundred thirty".