25746889 has 8 divisors (see below), whose sum is σ = 29469440. Its totient is φ = 22035456.

The previous prime is 25746887. The next prime is 25746907. The reversal of 25746889 is 98864752.

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

It is a cyclic number.

It is not a de Polignac number, because 25746889 - 2¹ = 25746887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25746883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2992 + ... + 7774.

It is an arithmetic number, because the mean of its divisors is an integer number (3683680).

Almost surely, 2^25746889 is an apocalyptic number.

It is an amenable number.

25746889 is a deficient number, since it is larger than the sum of its proper divisors (3722551).

25746889 is an equidigital number, since it uses as much as digits as its factorization.

25746889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559.

The product of its digits is 967680, while the sum is 49.

The square root of 25746889 is about 5074.1392373485. The cubic root of 25746889 is about 295.2851365462.

The spelling of 25746889 in words is "twenty-five million, seven hundred forty-six thousand, eight hundred eighty-nine".