516516529 has 3 divisors (see below), whose sum is σ = 516539257. Its totient is φ = 516493802.

The previous prime is 516516527. The next prime is 516516541. The reversal of 516516529 is 925615615.

The square root of 516516529 is 22727.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 516516529 - 2¹ = 516516527 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516516491 and 516516500.

It is not an unprimeable number, because it can be changed into a prime (516516527) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11364 + ... + 34090.

Almost surely, 2^516516529 is an apocalyptic number.

516516529 is the 22727-th square number.

516516529 is the 11364-th centered octagonal number.

It is an amenable number.

516516529 is a deficient number, since it is larger than the sum of its proper divisors (22728).

516516529 is an frugal number, since it uses more digits than its factorization.

516516529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45454 (or 22727 counting only the distinct ones).

The product of its digits is 81000, while the sum is 40.

The cubic root of 516516529 is about 802.3454755643.

The spelling of 516516529 in words is "five hundred sixteen million, five hundred sixteen thousand, five hundred twenty-nine".