522543345225 has 24 divisors (see below), whose sum is σ = 942478180512. Its totient is φ = 253354348800.

The previous prime is 522543345211. The next prime is 522543345227.

522543345225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522543345225 - 2⁷ = 522543345097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522543345227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316692112 + ... + 316693761.

It is an arithmetic number, because the mean of its divisors is an integer number (39269924188).

Almost surely, 2^522543345225 is an apocalyptic number.

522543345225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522543345225 is a deficient number, since it is larger than the sum of its proper divisors (419934835287).

522543345225 is a wasteful number, since it uses less digits than its factorization.

522543345225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633385897 (or 633385892 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 42.

It can be divided in two parts, 522543 and 345225, that added together give a palindrome (867768).

The spelling of 522543345225 in words is "five hundred twenty-two billion, five hundred forty-three million, three hundred forty-five thousand, two hundred twenty-five".