25465231 has 8 divisors (see below), whose sum is σ = 28056528. Its totient is φ = 22920000.

The previous prime is 25465207. The next prime is 25465241. The reversal of 25465231 is 13256452.

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-25465231 is a prime.

It is a super-2 number, since 2×25465231² = 1296955979766722, 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 25465231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25465241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10350 + ... + 12571.

It is an arithmetic number, because the mean of its divisors is an integer number (3507066).

Almost surely, 2^25465231 is an apocalyptic number.

25465231 is a deficient number, since it is larger than the sum of its proper divisors (2591297).

25465231 is a wasteful number, since it uses less digits than its factorization.

25465231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23033.

The product of its digits is 7200, while the sum is 28.

The square root of 25465231 is about 5046.3086508853. The cubic root of 25465231 is about 294.2044292175.

It can be divided in two parts, 2546 and 5231, that added together give a palindrome (7777).

The spelling of 25465231 in words is "twenty-five million, four hundred sixty-five thousand, two hundred thirty-one".