25288845 has 24 divisors (see below), whose sum is σ = 42311136. Its totient is φ = 12896928.

The previous prime is 25288811. The next prime is 25288849. The reversal of 25288845 is 54888252.

It is not a de Polignac number, because 25288845 - 2⁷ = 25288717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25288797 and 25288806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6342 + ... + 9528.

It is an arithmetic number, because the mean of its divisors is an integer number (1762964).

Almost surely, 2^25288845 is an apocalyptic number.

It is an amenable number.

25288845 is a deficient number, since it is larger than the sum of its proper divisors (17022291).

25288845 is a wasteful number, since it uses less digits than its factorization.

25288845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241 (or 3218 counting only the distinct ones).

The product of its digits is 204800, while the sum is 42.

The square root of 25288845 is about 5028.8015470885. The cubic root of 25288845 is about 293.5235816739.

The spelling of 25288845 in words is "twenty-five million, two hundred eighty-eight thousand, eight hundred forty-five".