25872149 has 8 divisors (see below), whose sum is σ = 26675520. Its totient is φ = 25081056.

The previous prime is 25872127. The next prime is 25872157. The reversal of 25872149 is 94127852.

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 25872149 - 2⁸ = 25871893 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25872199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 7310.

It is an arithmetic number, because the mean of its divisors is an integer number (3334440).

Almost surely, 2^25872149 is an apocalyptic number.

It is an amenable number.

25872149 is a deficient number, since it is larger than the sum of its proper divisors (803371).

25872149 is an equidigital number, since it uses as much as digits as its factorization.

25872149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139.

The product of its digits is 40320, while the sum is 38.

The square root of 25872149 is about 5086.4672416128. The cubic root of 25872149 is about 295.7632214374.

The spelling of 25872149 in words is "twenty-five million, eight hundred seventy-two thousand, one hundred forty-nine".