522312351 has 16 divisors (see below), whose sum is σ = 766011648. Its totient is φ = 316550520.

The previous prime is 522312347. The next prime is 522312379. The reversal of 522312351 is 153213225.

It is a happy number.

It is not a de Polignac number, because 522312351 - 2² = 522312347 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522312251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61411 + ... + 69396.

It is an arithmetic number, because the mean of its divisors is an integer number (47875728).

Almost surely, 2^522312351 is an apocalyptic number.

522312351 is a deficient number, since it is larger than the sum of its proper divisors (243699297).

522312351 is a wasteful number, since it uses less digits than its factorization.

522312351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130843 (or 130821 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 522312351 is about 22854.1539112696. The cubic root of 522312351 is about 805.3353545336.

Adding to 522312351 its reverse (153213225), we get a palindrome (675525576).

The spelling of 522312351 in words is "five hundred twenty-two million, three hundred twelve thousand, three hundred fifty-one".