517080881 has 16 divisors (see below), whose sum is σ = 531615744. Its totient is φ = 502838784.

The previous prime is 517080853. The next prime is 517080901. The reversal of 517080881 is 188080715.

It is a cyclic number.

It is not a de Polignac number, because 517080881 - 2¹⁴ = 517064497 is a prime.

It is a super-2 number, since 2×517080881² = 534745274991472322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (517080481) 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, 1965956 + ... + 1966218.

It is an arithmetic number, because the mean of its divisors is an integer number (33225984).

Almost surely, 2^517080881 is an apocalyptic number.

It is an amenable number.

517080881 is a deficient number, since it is larger than the sum of its proper divisors (14534863).

517080881 is a wasteful number, since it uses less digits than its factorization.

517080881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 17920, while the sum is 38.

The square root of 517080881 is about 22739.4125034047. The cubic root of 517080881 is about 802.6375865520.

The spelling of 517080881 in words is "five hundred seventeen million, eighty thousand, eight hundred eighty-one".