517307085 has 12 divisors (see below), whose sum is σ = 896665692. Its totient is φ = 275897088.

The previous prime is 517307057. The next prime is 517307113. The reversal of 517307085 is 580703715.

It is an interprime number because it is at equal distance from previous prime (517307057) and next prime (517307113).

It can be written as a sum of positive squares in 2 ways, for example, as 243172836 + 274134249 = 15594^2 + 16557^2 .

It is not a de Polignac number, because 517307085 - 2¹⁷ = 517176013 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5747812 + ... + 5747901.

It is an arithmetic number, because the mean of its divisors is an integer number (74722141).

Almost surely, 2^517307085 is an apocalyptic number.

It is an amenable number.

517307085 is a deficient number, since it is larger than the sum of its proper divisors (379358607).

517307085 is a wasteful number, since it uses less digits than its factorization.

517307085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495724 (or 11495721 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 517307085 is about 22744.3857907836. The cubic root of 517307085 is about 802.7546110321.

The spelling of 517307085 in words is "five hundred seventeen million, three hundred seven thousand, eighty-five".