517273242 has 16 divisors (see below), whose sum is σ = 1038842112. Its totient is φ = 171708480.

The previous prime is 517273231. The next prime is 517273327. The reversal of 517273242 is 242372715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177418 + ... + 180309.

It is an arithmetic number, because the mean of its divisors is an integer number (64927632).

Almost surely, 2^517273242 is an apocalyptic number.

517273242 is an abundant number, since it is smaller than the sum of its proper divisors (521568870).

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

517273242 is a wasteful number, since it uses less digits than its factorization.

517273242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357973.

The product of its digits is 23520, while the sum is 33.

The square root of 517273242 is about 22743.6417928176. The cubic root of 517273242 is about 802.7371048496.

The spelling of 517273242 in words is "five hundred seventeen million, two hundred seventy-three thousand, two hundred forty-two".