517980673 has 16 divisors (see below), whose sum is σ = 601614720. Its totient is φ = 436801536.

The previous prime is 517980653. The next prime is 517980689. The reversal of 517980673 is 376089715.

It is a cyclic number.

It is not a de Polignac number, because 517980673 - 2⁹ = 517980161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (517980653) 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, 147583 + ... + 151051.

It is an arithmetic number, because the mean of its divisors is an integer number (37600920).

Almost surely, 2^517980673 is an apocalyptic number.

It is an amenable number.

517980673 is a deficient number, since it is larger than the sum of its proper divisors (83634047).

517980673 is a wasteful number, since it uses less digits than its factorization.

517980673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 517980673 is about 22759.1887597076. The cubic root of 517980673 is about 803.1028834376.

The spelling of 517980673 in words is "five hundred seventeen million, nine hundred eighty thousand, six hundred seventy-three".