315952905 has 32 divisors (see below), whose sum is σ = 543279744. Its totient is φ = 156220416.

The previous prime is 315952849. The next prime is 315952913. The reversal of 315952905 is 509259513.

It is not a de Polignac number, because 315952905 - 2⁹ = 315952393 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7839 + ... + 26331.

It is an arithmetic number, because the mean of its divisors is an integer number (16977492).

Almost surely, 2^315952905 is an apocalyptic number.

It is an amenable number.

315952905 is a deficient number, since it is larger than the sum of its proper divisors (227326839).

315952905 is a wasteful number, since it uses less digits than its factorization.

315952905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18585.

The product of its (nonzero) digits is 60750, while the sum is 39.

The square root of 315952905 is about 17775.0641349054. The cubic root of 315952905 is about 681.0946218042.

The spelling of 315952905 in words is "three hundred fifteen million, nine hundred fifty-two thousand, nine hundred five".