515327972 has 12 divisors (see below), whose sum is σ = 941033856. Its totient is φ = 246461160.

The previous prime is 515327947. The next prime is 515327977. The reversal of 515327972 is 279723515.

It is not an unprimeable number, because it can be changed into a prime (515327977) 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, 2800604 + ... + 2800787.

It is an arithmetic number, because the mean of its divisors is an integer number (78419488).

Almost surely, 2^515327972 is an apocalyptic number.

It is an amenable number.

515327972 is a deficient number, since it is larger than the sum of its proper divisors (425705884).

515327972 is a wasteful number, since it uses less digits than its factorization.

515327972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601418 (or 5601416 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 515327972 is about 22700.8363722573. The cubic root of 515327972 is about 801.7295767605.

The spelling of 515327972 in words is "five hundred fifteen million, three hundred twenty-seven thousand, nine hundred seventy-two".