522135479 has 2 divisors, whose sum is σ = 522135480. Its totient is φ = 522135478.

The previous prime is 522135457. The next prime is 522135553. The reversal of 522135479 is 974531225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522135479 - 2²⁰ = 521086903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (521135479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261067739 + 261067740.

It is an arithmetic number, because the mean of its divisors is an integer number (261067740).

Almost surely, 2^522135479 is an apocalyptic number.

522135479 is a deficient number, since it is larger than the sum of its proper divisors (1).

522135479 is an equidigital number, since it uses as much as digits as its factorization.

522135479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 522135479 is about 22850.2840026114. The cubic root of 522135479 is about 805.2444399969.

The spelling of 522135479 in words is "five hundred twenty-two million, one hundred thirty-five thousand, four hundred seventy-nine".