513116519 has 4 divisors (see below), whose sum is σ = 517824120. Its totient is φ = 508408920.

The previous prime is 513116497. The next prime is 513116551. The reversal of 513116519 is 915611315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513116519 is a prime.

It is a super-2 number, since 2×513116519² = 526577124141354722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513116819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2353637 + ... + 2353854.

It is an arithmetic number, because the mean of its divisors is an integer number (129456030).

Almost surely, 2^513116519 is an apocalyptic number.

513116519 is a deficient number, since it is larger than the sum of its proper divisors (4707601).

513116519 is a wasteful number, since it uses less digits than its factorization.

513116519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707600.

The product of its digits is 4050, while the sum is 32.

The square root of 513116519 is about 22652.0753795320. The cubic root of 513116519 is about 800.5810981165.

The spelling of 513116519 in words is "five hundred thirteen million, one hundred sixteen thousand, five hundred nineteen".