515313488 has 20 divisors (see below), whose sum is σ = 1017259668. Its totient is φ = 252794880.

The previous prime is 515313479. The next prime is 515313517. The reversal of 515313488 is 884313515.

It can be written as a sum of positive squares in 2 ways, for example, as 442176784 + 73136704 = 21028^2 + 8552^2 .

It is a super-2 number, since 2×515313488² = 531095981829452288, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302993 + ... + 304688.

Almost surely, 2^515313488 is an apocalyptic number.

It is an amenable number.

515313488 is a deficient number, since it is larger than the sum of its proper divisors (501946180).

515313488 is a wasteful number, since it uses less digits than its factorization.

515313488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607742 (or 607736 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 515313488 is about 22700.5173509328. The cubic root of 515313488 is about 801.7220654534.

The spelling of 515313488 in words is "five hundred fifteen million, three hundred thirteen thousand, four hundred eighty-eight".