522985633 has 2 divisors, whose sum is σ = 522985634. Its totient is φ = 522985632.

The previous prime is 522985607. The next prime is 522985657. The reversal of 522985633 is 336589225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522031104 + 954529 = 22848^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 522985633 - 2⁵ = 522985601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522985633.

It is not a weakly prime, because it can be changed into another prime (522985733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261492816 + 261492817.

It is an arithmetic number, because the mean of its divisors is an integer number (261492817).

Almost surely, 2^522985633 is an apocalyptic number.

It is an amenable number.

522985633 is a deficient number, since it is larger than the sum of its proper divisors (1).

522985633 is an equidigital number, since it uses as much as digits as its factorization.

522985633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 43.

The square root of 522985633 is about 22868.8791373779. The cubic root of 522985633 is about 805.6812427003.

The spelling of 522985633 in words is "five hundred twenty-two million, nine hundred eighty-five thousand, six hundred thirty-three".