25104992 has 48 divisors (see below), whose sum is σ = 54713232. Its totient is φ = 11243520.

The previous prime is 25104953. The next prime is 25105019. The reversal of 25104992 is 29940152.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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, 25208 + ... + 26184.

It is an arithmetic number, because the mean of its divisors is an integer number (1139859).

Almost surely, 2^25104992 is an apocalyptic number.

25104992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25104992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27356616).

25104992 is an abundant number, since it is smaller than the sum of its proper divisors (29608240).

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

25104992 is a wasteful number, since it uses less digits than its factorization.

25104992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 25104992 is about 5010.4881997666. The cubic root of 25104992 is about 292.8105334282.

The spelling of 25104992 in words is "twenty-five million, one hundred four thousand, nine hundred ninety-two".