516317365 has 4 divisors (see below), whose sum is σ = 619580844. Its totient is φ = 413053888.

The previous prime is 516317309. The next prime is 516317371. The reversal of 516317365 is 563713615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 563713615 = 5 ⋅112742723.

It can be written as a sum of positive squares in 2 ways, for example, as 359216209 + 157101156 = 18953^2 + 12534^2 .

It is a cyclic number.

It is not a de Polignac number, because 516317365 - 2²⁵ = 482762933 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 51631732 + ... + 51631741.

It is an arithmetic number, because the mean of its divisors is an integer number (154895211).

Almost surely, 2^516317365 is an apocalyptic number.

It is an amenable number.

516317365 is a deficient number, since it is larger than the sum of its proper divisors (103263479).

516317365 is a wasteful number, since it uses less digits than its factorization.

516317365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103263478.

The product of its digits is 56700, while the sum is 37.

The square root of 516317365 is about 22722.6179169567. The cubic root of 516317365 is about 802.2423366400.

It can be divided in two parts, 51631 and 7365, that added together give a triangular number (58996 = T₃₄₃).

The spelling of 516317365 in words is "five hundred sixteen million, three hundred seventeen thousand, three hundred sixty-five".