522326523 has 4 divisors (see below), whose sum is σ = 696435368. Its totient is φ = 348217680.

The previous prime is 522326509. The next prime is 522326531. The reversal of 522326523 is 325623225.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 522326523 - 2⁴ = 522326507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522326323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87054418 + ... + 87054423.

It is an arithmetic number, because the mean of its divisors is an integer number (174108842).

Almost surely, 2^522326523 is an apocalyptic number.

522326523 is a deficient number, since it is larger than the sum of its proper divisors (174108845).

522326523 is a wasteful number, since it uses less digits than its factorization.

522326523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174108844.

The product of its digits is 21600, while the sum is 30.

The square root of 522326523 is about 22854.4639622110. The cubic root of 522326523 is about 805.3426382400.

Adding to 522326523 its reverse (325623225), we get a palindrome (847949748).

The spelling of 522326523 in words is "five hundred twenty-two million, three hundred twenty-six thousand, five hundred twenty-three".