522135953 has 2 divisors, whose sum is σ = 522135954. Its totient is φ = 522135952.

The previous prime is 522135919. The next prime is 522135959. The reversal of 522135953 is 359531225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521985409 + 150544 = 22847^2 + 388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522135953 is a prime.

It is not a weakly prime, because it can be changed into another prime (522135959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261067976 + 261067977.

It is an arithmetic number, because the mean of its divisors is an integer number (261067977).

Almost surely, 2^522135953 is an apocalyptic number.

It is an amenable number.

522135953 is a deficient number, since it is larger than the sum of its proper divisors (1).

522135953 is an equidigital number, since it uses as much as digits as its factorization.

522135953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 35.

The square root of 522135953 is about 22850.2943744714. The cubic root of 522135953 is about 805.2446836666.

The spelling of 522135953 in words is "five hundred twenty-two million, one hundred thirty-five thousand, nine hundred fifty-three".