315613641 has 16 divisors (see below), whose sum is σ = 497520000. Its totient is φ = 174131328.

The previous prime is 315613631. The next prime is 315613651. The reversal of 315613641 is 146316513.

It is an interprime number because it is at equal distance from previous prime (315613631) and next prime (315613651).

It is not a de Polignac number, because 315613641 - 2⁵ = 315613609 is a prime.

It is a super-2 number, since 2×315613641² = 199223940770553762, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315613599 and 315613608.

It is not an unprimeable number, because it can be changed into a prime (315613621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258516 + ... + 259733.

It is an arithmetic number, because the mean of its divisors is an integer number (31095000).

Almost surely, 2^315613641 is an apocalyptic number.

It is an amenable number.

315613641 is a deficient number, since it is larger than the sum of its proper divisors (181906359).

315613641 is a wasteful number, since it uses less digits than its factorization.

315613641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518288.

The product of its digits is 6480, while the sum is 30.

The square root of 315613641 is about 17765.5183149831. The cubic root of 315613641 is about 680.8507525039.

The spelling of 315613641 in words is "three hundred fifteen million, six hundred thirteen thousand, six hundred forty-one".