315245507 has 6 divisors (see below), whose sum is σ = 316892868. Its totient is φ = 313606664.

The previous prime is 315245459. The next prime is 315245527. The reversal of 315245507 is 705542513.

It is not a de Polignac number, because 315245507 - 2⁶ = 315245443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315245527) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 34748 + ... + 42870.

It is an arithmetic number, because the mean of its divisors is an integer number (52815478).

Almost surely, 2^315245507 is an apocalyptic number.

315245507 is a deficient number, since it is larger than the sum of its proper divisors (1647361).

315245507 is an frugal number, since it uses more digits than its factorization.

315245507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 315245507 is about 17755.1543783770. The cubic root of 315245507 is about 680.5859331249.

The spelling of 315245507 in words is "three hundred fifteen million, two hundred forty-five thousand, five hundred seven".