522857 has 2 divisors, whose sum is σ = 522858. Its totient is φ = 522856.

The previous prime is 522853. The next prime is 522871. The reversal of 522857 is 758225.

522857 is nontrivially palindromic in base 14.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512656 + 10201 = 716^2 + 101^2 .

It is a cyclic number.

It is not a de Polignac number, because 522857 - 2² = 522853 is a prime.

It is a d-powerful number, because it can be written as 5⁴ + 2⁷ + 8² + 2¹⁷ + 5⁸ + 7³ .

It is not a weakly prime, because it can be changed into another prime (522853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261428 + 261429.

It is an arithmetic number, because the mean of its divisors is an integer number (261429).

2⁵²²⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

522857 is a deficient number, since it is larger than the sum of its proper divisors (1).

522857 is an equidigital number, since it uses as much as digits as its factorization.

522857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 29.

The square root of 522857 is about 723.0885146370. The cubic root of 522857 is about 80.5615182445.

The spelling of 522857 in words is "five hundred twenty-two thousand, eight hundred fifty-seven".