25104987 has 12 divisors (see below), whose sum is σ = 36947664. Its totient is φ = 16420560.

The previous prime is 25104953. The next prime is 25105019. The reversal of 25104987 is 78940152.

It is not a de Polignac number, because 25104987 - 2¹⁵ = 25072219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25104917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25839 + ... + 26792.

It is an arithmetic number, because the mean of its divisors is an integer number (3078972).

Almost surely, 2^25104987 is an apocalyptic number.

25104987 is a deficient number, since it is larger than the sum of its proper divisors (11842677).

25104987 is a wasteful number, since it uses less digits than its factorization.

25104987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52690 (or 52687 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 25104987 is about 5010.4877008132. The cubic root of 25104987 is about 292.8105139891.

The spelling of 25104987 in words is "twenty-five million, one hundred four thousand, nine hundred eighty-seven".