25823231 has 8 divisors (see below), whose sum is σ = 29552640. Its totient is φ = 22103928.

The previous prime is 25823219. The next prime is 25823269. The reversal of 25823231 is 13232852.

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

It is a de Polignac number, because none of the positive numbers 2^k-25823231 is a prime.

It is a super-2 number, since 2×25823231² = 1333678518558722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25823231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25823431) 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, 4130 + ... + 8288.

It is an arithmetic number, because the mean of its divisors is an integer number (3694080).

Almost surely, 2^25823231 is an apocalyptic number.

25823231 is a deficient number, since it is larger than the sum of its proper divisors (3729409).

25823231 is an equidigital number, since it uses as much as digits as its factorization.

25823231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053.

The product of its digits is 2880, while the sum is 26.

The square root of 25823231 is about 5081.6563244674. The cubic root of 25823231 is about 295.5766981680.

The spelling of 25823231 in words is "twenty-five million, eight hundred twenty-three thousand, two hundred thirty-one".