315633685 has 8 divisors (see below), whose sum is σ = 378859320. Its totient is φ = 252441024.

The previous prime is 315633673. The next prime is 315633751. The reversal of 315633685 is 586336513.

It can be written as a sum of positive squares in 4 ways, for example, as 50041476 + 265592209 = 7074^2 + 16297^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 315633685 - 2⁵ = 315633653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25051 + ... + 35479.

It is an arithmetic number, because the mean of its divisors is an integer number (47357415).

Almost surely, 2^315633685 is an apocalyptic number.

It is an amenable number.

315633685 is a deficient number, since it is larger than the sum of its proper divisors (63225635).

315633685 is a wasteful number, since it uses less digits than its factorization.

315633685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16487.

The product of its digits is 194400, while the sum is 40.

The square root of 315633685 is about 17766.0824325454. The cubic root of 315633685 is about 680.8651653617.

The spelling of 315633685 in words is "three hundred fifteen million, six hundred thirty-three thousand, six hundred eighty-five".