25252445213 has 8 divisors (see below), whose sum is σ = 25538088576. Its totient is φ = 24967580400.

The previous prime is 25252445191. The next prime is 25252445219. The reversal of 25252445213 is 31254425252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25252445213 - 2²⁰ = 25251396637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252445219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129278 + ... + 259263.

It is an arithmetic number, because the mean of its divisors is an integer number (3192261072).

Almost surely, 2^25252445213 is an apocalyptic number.

It is an amenable number.

25252445213 is a deficient number, since it is larger than the sum of its proper divisors (285643363).

25252445213 is a wasteful number, since it uses less digits than its factorization.

25252445213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389275.

The product of its digits is 96000, while the sum is 35.

The spelling of 25252445213 in words is "twenty-five billion, two hundred fifty-two million, four hundred forty-five thousand, two hundred thirteen".