522503305225 has 48 divisors (see below), whose sum is σ = 712767879936. Its totient is φ = 376809800000.

The previous prime is 522503305211. The next prime is 522503305271.

522503305225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 522503305225 - 2¹³ = 522503297033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15652002 + ... + 15685348.

It is an arithmetic number, because the mean of its divisors is an integer number (14849330832).

Almost surely, 2^522503305225 is an apocalyptic number.

522503305225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

522503305225 is a deficient number, since it is larger than the sum of its proper divisors (190264574711).

522503305225 is a wasteful number, since it uses less digits than its factorization.

522503305225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33846 (or 33841 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

It can be divided in two parts, 522503 and 305225, that added together give a palindrome (827728).

The spelling of 522503305225 in words is "five hundred twenty-two billion, five hundred three million, three hundred five thousand, two hundred twenty-five".