522857425217 has 2 divisors, whose sum is σ = 522857425218. Its totient is φ = 522857425216.

The previous prime is 522857425199. The next prime is 522857425249. The reversal of 522857425217 is 712524758225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492528854416 + 30328570801 = 701804^2 + 174151^2 .

It is a cyclic number.

It is not a de Polignac number, because 522857425217 - 2¹⁶ = 522857359681 is a prime.

It is not a weakly prime, because it can be changed into another prime (522857425117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261428712608 + 261428712609.

It is an arithmetic number, because the mean of its divisors is an integer number (261428712609).

Almost surely, 2^522857425217 is an apocalyptic number.

It is an amenable number.

522857425217 is a deficient number, since it is larger than the sum of its proper divisors (1).

522857425217 is an equidigital number, since it uses as much as digits as its factorization.

522857425217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136000, while the sum is 50.

The spelling of 522857425217 in words is "five hundred twenty-two billion, eight hundred fifty-seven million, four hundred twenty-five thousand, two hundred seventeen".