515612968 has 16 divisors (see below), whose sum is σ = 1041141780. Its totient is φ = 237975168.

The previous prime is 515612959. The next prime is 515612969. The reversal of 515612968 is 869216515.

It can be written as a sum of positive squares in 2 ways, for example, as 508863364 + 6749604 = 22558^2 + 2598^2 .

It is not an unprimeable number, because it can be changed into a prime (515612969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478805 + ... + 2479012.

Almost surely, 2^515612968 is an apocalyptic number.

It is an amenable number.

515612968 is an abundant number, since it is smaller than the sum of its proper divisors (525528812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515612968 is a wasteful number, since it uses less digits than its factorization.

515612968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957836 (or 4957832 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 515612968 is about 22707.1127182652. The cubic root of 515612968 is about 801.8773451893.

The spelling of 515612968 in words is "five hundred fifteen million, six hundred twelve thousand, nine hundred sixty-eight".