522522431 has 2 divisors, whose sum is σ = 522522432. Its totient is φ = 522522430.

The previous prime is 522522383. The next prime is 522522437. The reversal of 522522431 is 134225225.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 522522431 - 2⁶ = 522522367 is a prime.

It is a super-2 number, since 2×522522431² = 546059381796299522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 522522431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522522437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261261215 + 261261216.

It is an arithmetic number, because the mean of its divisors is an integer number (261261216).

Almost surely, 2^522522431 is an apocalyptic number.

522522431 is a deficient number, since it is larger than the sum of its proper divisors (1).

522522431 is an equidigital number, since it uses as much as digits as its factorization.

522522431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 26.

The square root of 522522431 is about 22858.7495502269. The cubic root of 522522431 is about 805.4433117571.

Adding to 522522431 its reverse (134225225), we get a palindrome (656747656).

The spelling of 522522431 in words is "five hundred twenty-two million, five hundred twenty-two thousand, four hundred thirty-one".