522521125225 has 96 divisors (see below), whose sum is σ = 732377124864. Its totient is φ = 366534201600.

The previous prime is 522521125223. The next prime is 522521125229.

522521125225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522521125225 - 2¹ = 522521125223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522521125223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 333452392 + ... + 333453958.

It is an arithmetic number, because the mean of its divisors is an integer number (7628928384).

Almost surely, 2^522521125225 is an apocalyptic number.

522521125225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522521125225 is a deficient number, since it is larger than the sum of its proper divisors (209855999639).

522521125225 is a wasteful number, since it uses less digits than its factorization.

522521125225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1962 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

It can be divided in two parts, 522521 and 125225, that added together give a palindrome (647746).

The spelling of 522521125225 in words is "five hundred twenty-two billion, five hundred twenty-one million, one hundred twenty-five thousand, two hundred twenty-five".