25104780 has 72 divisors (see below), whose sum is σ = 76627824. Its totient is φ = 6652800.

The previous prime is 25104763. The next prime is 25104803. The reversal of 25104780 is 8740152.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37650 + ... + 38310.

Almost surely, 2^25104780 is an apocalyptic number.

25104780 is a gapful number since it is divisible by the number (20) 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 25104780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38313912).

25104780 is an abundant number, since it is smaller than the sum of its proper divisors (51523044).

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

25104780 is a wasteful number, since it uses less digits than its factorization.

25104780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 25104780 is about 5010.4670440988. The cubic root of 25104780 is about 292.8097092095.

The spelling of 25104780 in words is "twenty-five million, one hundred four thousand, seven hundred eighty".