517252916 has 48 divisors (see below), whose sum is σ = 942023040. Its totient is φ = 248400000.

The previous prime is 517252913. The next prime is 517252937. The reversal of 517252916 is 619252715.

It is a happy number.

It is a super-2 number, since 2×517252916² = 535101158221006112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 517252916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517252913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3425441 + ... + 3425591.

It is an arithmetic number, because the mean of its divisors is an integer number (19625480).

Almost surely, 2^517252916 is an apocalyptic number.

It is an amenable number.

517252916 is a deficient number, since it is larger than the sum of its proper divisors (424770124).

517252916 is a wasteful number, since it uses less digits than its factorization.

517252916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 454 counting only the distinct ones).

The product of its digits is 37800, while the sum is 38.

The square root of 517252916 is about 22743.1949382667. The cubic root of 517252916 is about 802.7265903241.

The spelling of 517252916 in words is "five hundred seventeen million, two hundred fifty-two thousand, nine hundred sixteen".