517104945 has 64 divisors (see below), whose sum is σ = 1086912000. Its totient is φ = 228227328.

The previous prime is 517104937. The next prime is 517104983. The reversal of 517104945 is 549401715.

It is not a de Polignac number, because 517104945 - 2³ = 517104937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17971 + ... + 36839.

It is an arithmetic number, because the mean of its divisors is an integer number (16983000).

Almost surely, 2^517104945 is an apocalyptic number.

It is an amenable number.

517104945 is an abundant number, since it is smaller than the sum of its proper divisors (569807055).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517104945 is a wasteful number, since it uses less digits than its factorization.

517104945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18919 (or 18913 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 517104945 is about 22739.9416226164. The cubic root of 517104945 is about 802.6500374548.

The spelling of 517104945 in words is "five hundred seventeen million, one hundred four thousand, nine hundred forty-five".