25183231 has 2 divisors, whose sum is σ = 25183232. Its totient is φ = 25183230.

The previous prime is 25183187. The next prime is 25183241. The reversal of 25183231 is 13238152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25183231 - 2⁹ = 25182719 is a prime.

It is a super-2 number, since 2×25183231² = 1268390247198722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25183196 and 25183205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25183241) 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 as a sum of consecutive naturals, namely, 12591615 + 12591616.

It is an arithmetic number, because the mean of its divisors is an integer number (12591616).

Almost surely, 2^25183231 is an apocalyptic number.

25183231 is a deficient number, since it is larger than the sum of its proper divisors (1).

25183231 is an equidigital number, since it uses as much as digits as its factorization.

25183231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 25183231 is about 5018.2896488744. The cubic root of 25183231 is about 293.1143965777.

The spelling of 25183231 in words is "twenty-five million, one hundred eighty-three thousand, two hundred thirty-one".