25793889 has 8 divisors (see below), whose sum is σ = 37518432. Its totient is φ = 15632640.

The previous prime is 25793857. The next prime is 25793897. The reversal of 25793889 is 98839752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25793889 - 2⁵ = 25793857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25793899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390784 + ... + 390849.

It is an arithmetic number, because the mean of its divisors is an integer number (4689804).

Almost surely, 2^25793889 is an apocalyptic number.

It is an amenable number.

25793889 is a deficient number, since it is larger than the sum of its proper divisors (11724543).

25793889 is a wasteful number, since it uses less digits than its factorization.

25793889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781647.

The product of its digits is 1088640, while the sum is 51.

The square root of 25793889 is about 5078.7684530799. The cubic root of 25793889 is about 295.4647047150.

The spelling of 25793889 in words is "twenty-five million, seven hundred ninety-three thousand, eight hundred eighty-nine".