517520116 has 12 divisors (see below), whose sum is σ = 908349988. Its totient is φ = 257991552.

The previous prime is 517520099. The next prime is 517520117. The reversal of 517520116 is 611025715.

It can be written as a sum of positive squares in 2 ways, for example, as 53290000 + 464230116 = 7300^2 + 21546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517520117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190611 + ... + 193306.

Almost surely, 2^517520116 is an apocalyptic number.

It is an amenable number.

517520116 is a deficient number, since it is larger than the sum of its proper divisors (390829872).

517520116 is a wasteful number, since it uses less digits than its factorization.

517520116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384258 (or 384256 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 517520116 is about 22749.0684644449. The cubic root of 517520116 is about 802.8647893983.

The spelling of 517520116 in words is "five hundred seventeen million, five hundred twenty thousand, one hundred sixteen".