815230017 has 24 divisors (see below), whose sum is σ = 1416608960. Its totient is φ = 441326880.

The previous prime is 815230007. The next prime is 815230021. The reversal of 815230017 is 710032518.

It is not a de Polignac number, because 815230017 - 2⁷ = 815229889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (815230007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339334 + ... + 341727.

Almost surely, 2^815230017 is an apocalyptic number.

It is an amenable number.

815230017 is a deficient number, since it is larger than the sum of its proper divisors (601378943).

815230017 is a wasteful number, since it uses less digits than its factorization.

815230017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681093 (or 681090 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 815230017 is about 28552.2331350807. The cubic root of 815230017 is about 934.1717304862.

The spelling of 815230017 in words is "eight hundred fifteen million, two hundred thirty thousand, seventeen".