315012256 has 24 divisors (see below), whose sum is σ = 667887444. Its totient is φ = 145390080.

The previous prime is 315012223. The next prime is 315012287. The reversal of 315012256 is 652210513.

It can be written as a sum of positive squares in 2 ways, for example, as 265168656 + 49843600 = 16284^2 + 7060^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315012256.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378205 + ... + 379036.

Almost surely, 2^315012256 is an apocalyptic number.

It is an amenable number.

315012256 is an abundant number, since it is smaller than the sum of its proper divisors (352875188).

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

315012256 is a wasteful number, since it uses less digits than its factorization.

315012256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757264 (or 757256 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 315012256 is about 17748.5846196253. The cubic root of 315012256 is about 680.4180359204.

Adding to 315012256 its reverse (652210513), we get a palindrome (967222769).

The spelling of 315012256 in words is "three hundred fifteen million, twelve thousand, two hundred fifty-six".