517025713 has 2 divisors, whose sum is σ = 517025714. Its totient is φ = 517025712.

The previous prime is 517025711. The next prime is 517025783. The reversal of 517025713 is 317520715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289408144 + 227617569 = 17012^2 + 15087^2 .

It is a cyclic number.

It is not a de Polignac number, because 517025713 - 2¹ = 517025711 is a prime.

Together with 517025711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (517025711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258512856 + 258512857.

It is an arithmetic number, because the mean of its divisors is an integer number (258512857).

Almost surely, 2^517025713 is an apocalyptic number.

It is an amenable number.

517025713 is a deficient number, since it is larger than the sum of its proper divisors (1).

517025713 is an equidigital number, since it uses as much as digits as its factorization.

517025713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 517025713 is about 22738.1994229974. The cubic root of 517025713 is about 802.6090407372.

The spelling of 517025713 in words is "five hundred seventeen million, twenty-five thousand, seven hundred thirteen".