25003425792 has 72 divisors (see below), whose sum is σ = 66676596336. Its totient is φ = 8334344192.

The previous prime is 25003425791. The next prime is 25003425857. The reversal of 25003425792 is 29752430052.

It is a self number, because there is not a number n which added to its sum of digits gives 25003425792.

It is not an unprimeable number, because it can be changed into a prime (25003425791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361423 + ... + 425009.

It is an arithmetic number, because the mean of its divisors is an integer number (926063838).

Almost surely, 2^25003425792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25003425792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33338298168).

25003425792 is an abundant number, since it is smaller than the sum of its proper divisors (41673170544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25003425792 is an frugal number, since it uses more digits than its factorization.

25003425792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63624 (or 63592 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 25003425792 in words is "twenty-five billion, three million, four hundred twenty-five thousand, seven hundred ninety-two".