517680105 has 16 divisors (see below), whose sum is σ = 829699200. Its totient is φ = 275625728.

The previous prime is 517680089. The next prime is 517680151. The reversal of 517680105 is 501086715.

It is a cyclic number.

It is not a de Polignac number, because 517680105 - 2⁴ = 517680089 is a prime.

It is a super-2 number, since 2×517680105² = 535985382225622050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 20205 + ... + 37994.

It is an arithmetic number, because the mean of its divisors is an integer number (51856200).

Almost surely, 2^517680105 is an apocalyptic number.

It is an amenable number.

517680105 is a deficient number, since it is larger than the sum of its proper divisors (312019095).

517680105 is a wasteful number, since it uses less digits than its factorization.

517680105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58800.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 517680105 is about 22752.5845784605. The cubic root of 517680105 is about 802.9475148786.

The spelling of 517680105 in words is "five hundred seventeen million, six hundred eighty thousand, one hundred five".