25003880 has 32 divisors (see below), whose sum is σ = 61374240. Its totient is φ = 9092160.

The previous prime is 25003877. The next prime is 25003903. The reversal of 25003880 is 8830052.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27974 + ... + 28853.

It is an arithmetic number, because the mean of its divisors is an integer number (1917945).

Almost surely, 2^25003880 is an apocalyptic number.

25003880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25003880 is an abundant number, since it is smaller than the sum of its proper divisors (36370360).

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

25003880 is a wasteful number, since it uses less digits than its factorization.

25003880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56849 (or 56845 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 25003880 is about 5000.3879849468. The cubic root of 25003880 is about 292.4168999572.

Subtracting from 25003880 its reverse (8830052), we obtain a triangular number (16173828 = T₅₆₈₇).

The spelling of 25003880 in words is "twenty-five million, three thousand, eight hundred eighty".