522857425249 has 2 divisors, whose sum is σ = 522857425250. Its totient is φ = 522857425248.

The previous prime is 522857425217. The next prime is 522857425253. The reversal of 522857425249 is 942524758225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513147293649 + 9710131600 = 716343^2 + 98540^2 .

It is a cyclic number.

It is not a de Polignac number, because 522857425249 - 2⁵ = 522857425217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522857425249.

It is not a weakly prime, because it can be changed into another prime (522857422249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261428712624 + 261428712625.

It is an arithmetic number, because the mean of its divisors is an integer number (261428712625).

Almost surely, 2^522857425249 is an apocalyptic number.

It is an amenable number.

522857425249 is a deficient number, since it is larger than the sum of its proper divisors (1).

522857425249 is an equidigital number, since it uses as much as digits as its factorization.

522857425249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128000, while the sum is 55.

The spelling of 522857425249 in words is "five hundred twenty-two billion, eight hundred fifty-seven million, four hundred twenty-five thousand, two hundred forty-nine".