522585225 has 36 divisors (see below), whose sum is σ = 961321036. Its totient is φ = 271175040.

The previous prime is 522585223. The next prime is 522585233.

522585225 is a `hidden beast` number, since 52 + 2 + 585 + 2 + 25 = 666.

522585225 is nontrivially palindromic in base 10.

522585225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 48608784 + 473976441 = 6972^2 + 21771^2 .

It is not a de Polignac number, because 522585225 - 2¹ = 522585223 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 522585225.

It is not an unprimeable number, because it can be changed into a prime (522585223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23062 + ... + 39711.

Almost surely, 2^522585225 is an apocalyptic number.

It is an amenable number.

522585225 is a deficient number, since it is larger than the sum of its proper divisors (438735811).

522585225 is a wasteful number, since it uses less digits than its factorization.

522585225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62826 (or 62818 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 522585225 is about 22860.1230311650. The cubic root of 522585225 is about 805.4755751130.

Subtracting from 522585225 its product of digits (80000), we obtain a palindrome (522505225).

The spelling of 522585225 in words is "five hundred twenty-two million, five hundred eighty-five thousand, two hundred twenty-five".