25980871 has 8 divisors (see below), whose sum is σ = 29770400. Its totient is φ = 22210848.

The previous prime is 25980863. The next prime is 25980881. The reversal of 25980871 is 17808952.

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 25980871 - 2³ = 25980863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25980841) 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, 1896 + ... + 7453.

It is an arithmetic number, because the mean of its divisors is an integer number (3721300).

Almost surely, 2^25980871 is an apocalyptic number.

25980871 is a deficient number, since it is larger than the sum of its proper divisors (3789529).

25980871 is an equidigital number, since it uses as much as digits as its factorization.

25980871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 25980871 is about 5097.1434156790. The cubic root of 25980871 is about 296.1769356986.

The spelling of 25980871 in words is "twenty-five million, nine hundred eighty thousand, eight hundred seventy-one".