25880831 has 8 divisors (see below), whose sum is σ = 27335280. Its totient is φ = 24435648.

The previous prime is 25880821. The next prime is 25880837. The reversal of 25880831 is 13808852.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25880831 is a prime.

It is a super-2 number, since 2×25880831² = 1339634826501122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25880791 and 25880800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25880837) 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, 3875 + ... + 8171.

It is an arithmetic number, because the mean of its divisors is an integer number (3416910).

Almost surely, 2^25880831 is an apocalyptic number.

25880831 is a deficient number, since it is larger than the sum of its proper divisors (1454449).

25880831 is a wasteful number, since it uses less digits than its factorization.

25880831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 25880831 is about 5087.3206110879. The cubic root of 25880831 is about 295.7963011416.

The spelling of 25880831 in words is "twenty-five million, eight hundred eighty thousand, eight hundred thirty-one".