516407331 has 16 divisors (see below), whose sum is σ = 775369728. Its totient is φ = 302877600.

The previous prime is 516407323. The next prime is 516407357. The reversal of 516407331 is 133704615.

It is not a de Polignac number, because 516407331 - 2³ = 516407323 is a prime.

It is a super-2 number, since 2×516407331² = 533353063021087122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (516407131) 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, 251376 + ... + 253421.

It is an arithmetic number, because the mean of its divisors is an integer number (48460608).

Almost surely, 2^516407331 is an apocalyptic number.

516407331 is a deficient number, since it is larger than the sum of its proper divisors (258962397).

516407331 is a wasteful number, since it uses less digits than its factorization.

516407331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504842.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 516407331 is about 22724.5974881845. The cubic root of 516407331 is about 802.2889296512.

The spelling of 516407331 in words is "five hundred sixteen million, four hundred seven thousand, three hundred thirty-one".