517220952 has 32 divisors (see below), whose sum is σ = 1314253680. Its totient is φ = 169580160.

The previous prime is 517220923. The next prime is 517220953. The reversal of 517220952 is 259022715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517220953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175183 + ... + 178110.

Almost surely, 2^517220952 is an apocalyptic number.

It is an amenable number.

517220952 is an abundant number, since it is smaller than the sum of its proper divisors (797032728).

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

517220952 is a wasteful number, since it uses less digits than its factorization.

517220952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353363 (or 353359 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 517220952 is about 22742.4922117168. The cubic root of 517220952 is about 802.7100549694.

The spelling of 517220952 in words is "five hundred seventeen million, two hundred twenty thousand, nine hundred fifty-two".