516313515 has 16 divisors (see below), whose sum is σ = 834283296. Its totient is φ = 272640000.

The previous prime is 516313493. The next prime is 516313519. The reversal of 516313515 is 515313615.

It is not a de Polignac number, because 516313515 - 2⁹ = 516313003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (516313519) 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, 168886 + ... + 171915.

It is an arithmetic number, because the mean of its divisors is an integer number (52142706).

Almost surely, 2^516313515 is an apocalyptic number.

516313515 is a deficient number, since it is larger than the sum of its proper divisors (317969781).

516313515 is a wasteful number, since it uses less digits than its factorization.

516313515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340910.

The product of its digits is 6750, while the sum is 30.

The square root of 516313515 is about 22722.5331994476. The cubic root of 516313515 is about 802.2403426205.

The spelling of 516313515 in words is "five hundred sixteen million, three hundred thirteen thousand, five hundred fifteen".