522535125013421 has 16 divisors (see below), whose sum is σ = 564037390150080. Its totient is φ = 481219753472640.

The previous prime is 522535125013357. The next prime is 522535125013427. The reversal of 522535125013421 is 124310521535225.

It is not a de Polignac number, because 522535125013421 - 2⁶ = 522535125013357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522535125013427) 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, 85082066 + ... + 91016636.

It is an arithmetic number, because the mean of its divisors is an integer number (35252336884380).

Almost surely, 2^{522535125013421} is an apocalyptic number.

It is an amenable number.

522535125013421 is a deficient number, since it is larger than the sum of its proper divisors (41502265136659).

522535125013421 is a wasteful number, since it uses less digits than its factorization.

522535125013421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5950316.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 522535125013421 its reverse (124310521535225), we get a palindrome (646845646548646).

The spelling of 522535125013421 in words is "five hundred twenty-two trillion, five hundred thirty-five billion, one hundred twenty-five million, thirteen thousand, four hundred twenty-one".