25388875 has 16 divisors (see below), whose sum is σ = 32014944. Its totient is φ = 20100000.

The previous prime is 25388861. The next prime is 25388887. The reversal of 25388875 is 57888352.

It is not a de Polignac number, because 25388875 - 2⁷ = 25388747 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 11620 + ... + 13630.

It is an arithmetic number, because the mean of its divisors is an integer number (2000934).

Almost surely, 2^25388875 is an apocalyptic number.

25388875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25388875 is a deficient number, since it is larger than the sum of its proper divisors (6626069).

25388875 is a wasteful number, since it uses less digits than its factorization.

25388875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127 (or 2117 counting only the distinct ones).

The product of its digits is 537600, while the sum is 46.

The square root of 25388875 is about 5038.7374410660. The cubic root of 25388875 is about 293.9100832591.

The spelling of 25388875 in words is "twenty-five million, three hundred eighty-eight thousand, eight hundred seventy-five".