52231613225 has 36 divisors (see below), whose sum is σ = 74937339120. Its totient is φ = 35987292000.

The previous prime is 52231613201. The next prime is 52231613227.

52231613225 is nontrivially palindromic in base 10.

52231613225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52231613225 - 2²⁶ = 52164504361 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52231613191 and 52231613200.

It is not an unprimeable number, because it can be changed into a prime (52231613227) 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, 396911 + ... + 511860.

Almost surely, 2^52231613225 is an apocalyptic number.

52231613225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52231613225 is a deficient number, since it is larger than the sum of its proper divisors (22705725895).

52231613225 is a wasteful number, since it uses less digits than its factorization.

52231613225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908822 (or 908806 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The spelling of 52231613225 in words is "fifty-two billion, two hundred thirty-one million, six hundred thirteen thousand, two hundred twenty-five".