25269231 has 16 divisors (see below), whose sum is σ = 36449280. Its totient is φ = 15479520.

The previous prime is 25269217. The next prime is 25269241. The reversal of 25269231 is 13296252.

It is not a de Polignac number, because 25269231 - 2⁷ = 25269103 is a prime.

It is a super-2 number, since 2×25269231² = 1277068070662722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25269241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7966 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (2278080).

Almost surely, 2^25269231 is an apocalyptic number.

25269231 is a deficient number, since it is larger than the sum of its proper divisors (11180049).

25269231 is a wasteful number, since it uses less digits than its factorization.

25269231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966.

The product of its digits is 6480, while the sum is 30.

The square root of 25269231 is about 5026.8510023672. The cubic root of 25269231 is about 293.4476765256.

The spelling of 25269231 in words is "twenty-five million, two hundred sixty-nine thousand, two hundred thirty-one".