315919652 has 6 divisors (see below), whose sum is σ = 552859398. Its totient is φ = 157959824.

The previous prime is 315919613. The next prime is 315919661. The reversal of 315919652 is 256919513.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 295633636 + 20286016 = 17194^2 + 4504^2 .

It is a super-2 number, since 2×315919652² = 199610453039602208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39489953 + ... + 39489960.

It is an arithmetic number, because the mean of its divisors is an integer number (92143233).

Almost surely, 2^315919652 is an apocalyptic number.

It is an amenable number.

315919652 is a deficient number, since it is larger than the sum of its proper divisors (236939746).

315919652 is a wasteful number, since it uses less digits than its factorization.

315919652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78979917 (or 78979915 counting only the distinct ones).

The product of its digits is 72900, while the sum is 41.

The square root of 315919652 is about 17774.1287268884. The cubic root of 315919652 is about 681.0707266459.

The spelling of 315919652 in words is "three hundred fifteen million, nine hundred nineteen thousand, six hundred fifty-two".