522312641 has 16 divisors (see below), whose sum is σ = 584236800. Its totient is φ = 464041728.

The previous prime is 522312629. The next prime is 522312643. The reversal of 522312641 is 146213225.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522312641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 522312641.

It is not an unprimeable number, because it can be changed into a prime (522312643) 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, 91880 + ... + 97398.

It is an arithmetic number, because the mean of its divisors is an integer number (36514800).

Almost surely, 2^522312641 is an apocalyptic number.

It is an amenable number.

522312641 is a deficient number, since it is larger than the sum of its proper divisors (61924159).

522312641 is a wasteful number, since it uses less digits than its factorization.

522312641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5848.

The product of its digits is 2880, while the sum is 26.

The square root of 522312641 is about 22854.1602558484. The cubic root of 522312641 is about 805.3355035806.

Adding to 522312641 its reverse (146213225), we get a palindrome (668525866).

It can be divided in two parts, 52231 and 2641, that added together give a cube (54872 = 38³).

The spelling of 522312641 in words is "five hundred twenty-two million, three hundred twelve thousand, six hundred forty-one".