315500961 has 8 divisors (see below), whose sum is σ = 432037504. Its totient is φ = 204649200.

The previous prime is 315500951. The next prime is 315500987. The reversal of 315500961 is 169005513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 315500961 - 2⁵ = 315500929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315500951) 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 7 ways as a sum of consecutive naturals, for example, 1421065 + ... + 1421286.

It is an arithmetic number, because the mean of its divisors is an integer number (54004688).

Almost surely, 2^315500961 is an apocalyptic number.

It is an amenable number.

315500961 is a deficient number, since it is larger than the sum of its proper divisors (116536543).

315500961 is a wasteful number, since it uses less digits than its factorization.

315500961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842391.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 315500961 is about 17762.3467199579. The cubic root of 315500961 is about 680.7697173557.

The spelling of 315500961 in words is "three hundred fifteen million, five hundred thousand, nine hundred sixty-one".