25738889 has 16 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 22704000.

The previous prime is 25738877. The next prime is 25738903. The reversal of 25738889 is 98883752.

It is not a de Polignac number, because 25738889 - 2⁴ = 25738873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25738829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59504 + ... + 59934.

It is an arithmetic number, because the mean of its divisors is an integer number (1807920).

Almost surely, 2^25738889 is an apocalyptic number.

It is an amenable number.

25738889 is a deficient number, since it is larger than the sum of its proper divisors (3187831).

25738889 is a wasteful number, since it uses less digits than its factorization.

25738889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592.

The product of its digits is 967680, while the sum is 50.

The square root of 25738889 is about 5073.3508650595. The cubic root of 25738889 is about 295.2545499926.

The spelling of 25738889 in words is "twenty-five million, seven hundred thirty-eight thousand, eight hundred eighty-nine".