25578875 has 64 divisors (see below), whose sum is σ = 40255488. Its totient is φ = 15840000.

The previous prime is 25578853. The next prime is 25578887. The reversal of 25578875 is 57887552.

It is not a de Polignac number, because 25578875 - 2⁶ = 25578811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 623855 + ... + 623895.

It is an arithmetic number, because the mean of its divisors is an integer number (628992).

Almost surely, 2^25578875 is an apocalyptic number.

25578875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25578875 is a deficient number, since it is larger than the sum of its proper divisors (14676613).

25578875 is a wasteful number, since it uses less digits than its factorization.

25578875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 107 counting only the distinct ones).

The product of its digits is 784000, while the sum is 47.

The square root of 25578875 is about 5057.5562280611. The cubic root of 25578875 is about 294.6414297014.

The spelling of 25578875 in words is "twenty-five million, five hundred seventy-eight thousand, eight hundred seventy-five".