509992315 has 16 divisors (see below), whose sum is σ = 721981440. Its totient is φ = 338427360.

The previous prime is 509992309. The next prime is 509992331. The reversal of 509992315 is 513299905.

It is not a de Polignac number, because 509992315 - 2⁷ = 509992187 is a prime.

It is a super-2 number, since 2×509992315² = 520184322718118450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233935 + ... + 236104.

It is an arithmetic number, because the mean of its divisors is an integer number (45123840).

Almost surely, 2^509992315 is an apocalyptic number.

509992315 is a deficient number, since it is larger than the sum of its proper divisors (211989125).

509992315 is a wasteful number, since it uses less digits than its factorization.

509992315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470082.

The product of its (nonzero) digits is 109350, while the sum is 43.

The square root of 509992315 is about 22583.0094318716. The cubic root of 509992315 is about 798.9529609636.

The spelling of 509992315 in words is "five hundred nine million, nine hundred ninety-two thousand, three hundred fifteen".