25845472 has 24 divisors (see below), whose sum is σ = 53562600. Its totient is φ = 12242304.

The previous prime is 25845439. The next prime is 25845509. The reversal of 25845472 is 27454852.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20647 + ... + 21862.

It is an arithmetic number, because the mean of its divisors is an integer number (2231775).

Almost surely, 2^25845472 is an apocalyptic number.

It is an amenable number.

25845472 is an abundant number, since it is smaller than the sum of its proper divisors (27717128).

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

25845472 is a wasteful number, since it uses less digits than its factorization.

25845472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42538 (or 42530 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 25845472 is about 5083.8442147650. The cubic root of 25845472 is about 295.6615317935.

The spelling of 25845472 in words is "twenty-five million, eight hundred forty-five thousand, four hundred seventy-two".