517684712 has 16 divisors (see below), whose sum is σ = 972409860. Its totient is φ = 258375424.

The previous prime is 517684669. The next prime is 517684733. The reversal of 517684712 is 217486715.

It can be written as a sum of positive squares in 2 ways, for example, as 450543076 + 67141636 = 21226^2 + 8194^2 .

It is a super-2 number, since 2×517684712² = 535994922077045888, 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 517684712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53633 + ... + 62544.

Almost surely, 2^517684712 is an apocalyptic number.

It is an amenable number.

517684712 is a deficient number, since it is larger than the sum of its proper divisors (454725148).

517684712 is a wasteful number, since it uses less digits than its factorization.

517684712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116740 (or 116736 counting only the distinct ones).

The product of its digits is 94080, while the sum is 41.

The square root of 517684712 is about 22752.6858194807. The cubic root of 517684712 is about 802.9498967667.

The spelling of 517684712 in words is "five hundred seventeen million, six hundred eighty-four thousand, seven hundred twelve".