25168231 has 8 divisors (see below), whose sum is σ = 27610128. Its totient is φ = 22752000.

The previous prime is 25168223. The next prime is 25168237. The reversal of 25168231 is 13286152.

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 25168231 - 2³ = 25168223 is a prime.

It is a super-2 number, since 2×25168231² = 1266879703338722, 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 25168231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25168237) 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, 4330 + ... + 8311.

It is an arithmetic number, because the mean of its divisors is an integer number (3451266).

Almost surely, 2^25168231 is an apocalyptic number.

25168231 is a deficient number, since it is larger than the sum of its proper divisors (2441897).

25168231 is a wasteful number, since it uses less digits than its factorization.

25168231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833.

The product of its digits is 2880, while the sum is 28.

The square root of 25168231 is about 5016.7948931564. The cubic root of 25168231 is about 293.0561886750.

The spelling of 25168231 in words is "twenty-five million, one hundred sixty-eight thousand, two hundred thirty-one".