516831652 has 12 divisors (see below), whose sum is σ = 904637916. Its totient is φ = 258363680.

The previous prime is 516831641. The next prime is 516831661. The reversal of 516831652 is 256138615.

It can be written as a sum of positive squares in 2 ways, for example, as 261662976 + 255168676 = 16176^2 + 15974^2 .

It is a super-2 number, since 2×516831652² = 534229913018098208, which contains 22 as substring.

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, 16902 + ... + 36322.

It is an arithmetic number, because the mean of its divisors is an integer number (75386493).

Almost surely, 2^516831652 is an apocalyptic number.

It is an amenable number.

516831652 is a deficient number, since it is larger than the sum of its proper divisors (387806264).

516831652 is a wasteful number, since it uses less digits than its factorization.

516831652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26078 (or 26076 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 516831652 is about 22733.9317321048. The cubic root of 516831652 is about 802.5086107842.

It can be divided in two parts, 51683 and 1652, that added together give a palindrome (53335).

The spelling of 516831652 in words is "five hundred sixteen million, eight hundred thirty-one thousand, six hundred fifty-two".