522321121 has 4 divisors (see below), whose sum is σ = 596938432. Its totient is φ = 447703812.

The previous prime is 522321109. The next prime is 522321157. The reversal of 522321121 is 121123225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 522321121 - 2⁵ = 522321089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522321161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37308645 + ... + 37308658.

It is an arithmetic number, because the mean of its divisors is an integer number (149234608).

Almost surely, 2^522321121 is an apocalyptic number.

It is an amenable number.

522321121 is a deficient number, since it is larger than the sum of its proper divisors (74617311).

522321121 is an equidigital number, since it uses as much as digits as its factorization.

522321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74617310.

The product of its digits is 240, while the sum is 19.

The square root of 522321121 is about 22854.3457793042. The cubic root of 522321121 is about 805.3398618950.

Adding to 522321121 its reverse (121123225), we get a palindrome (643444346).

The spelling of 522321121 in words is "five hundred twenty-two million, three hundred twenty-one thousand, one hundred twenty-one".