516090831 has 8 divisors (see below), whose sum is σ = 691966080. Its totient is φ = 342138072.

The previous prime is 516090823. The next prime is 516090847. The reversal of 516090831 is 138090615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 516090831 - 2³ = 516090823 is a prime.

It is a super-2 number, since 2×516090831² = 532699491684541122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 516090792 and 516090801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516090851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479995 + ... + 481068.

It is an arithmetic number, because the mean of its divisors is an integer number (86495760).

Almost surely, 2^516090831 is an apocalyptic number.

516090831 is a deficient number, since it is larger than the sum of its proper divisors (175875249).

516090831 is a wasteful number, since it uses less digits than its factorization.

516090831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961245.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 516090831 is about 22717.6326011317. The cubic root of 516090831 is about 802.1249916612.

The spelling of 516090831 in words is "five hundred sixteen million, ninety thousand, eight hundred thirty-one".