516513423 has 16 divisors (see below), whose sum is σ = 725673600. Its totient is φ = 325884960.

The previous prime is 516513419. The next prime is 516513433. The reversal of 516513423 is 324315615.

It is not a de Polignac number, because 516513423 - 2² = 516513419 is a prime.

It is a super-2 number, since 2×516513423² = 533572232278353858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516513433) 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, 59128 + ... + 67298.

It is an arithmetic number, because the mean of its divisors is an integer number (45354600).

Almost surely, 2^516513423 is an apocalyptic number.

516513423 is a deficient number, since it is larger than the sum of its proper divisors (209160177).

516513423 is a wasteful number, since it uses less digits than its factorization.

516513423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9302.

The product of its digits is 10800, while the sum is 30.

The square root of 516513423 is about 22726.9316670773. The cubic root of 516513423 is about 802.3438672969.

The spelling of 516513423 in words is "five hundred sixteen million, five hundred thirteen thousand, four hundred twenty-three".