25234491 has 8 divisors (see below), whose sum is σ = 33872400. Its totient is φ = 16709792.

The previous prime is 25234471. The next prime is 25234493. The reversal of 25234491 is 19443252.

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 25234491 - 2⁵ = 25234459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25234493) 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, 27780 + ... + 28673.

It is an arithmetic number, because the mean of its divisors is an integer number (4234050).

Almost surely, 2^25234491 is an apocalyptic number.

25234491 is a deficient number, since it is larger than the sum of its proper divisors (8637909).

25234491 is a wasteful number, since it uses less digits than its factorization.

25234491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56605.

The product of its digits is 8640, while the sum is 30.

The square root of 25234491 is about 5023.3943703436. The cubic root of 25234491 is about 293.3131381011.

It can be divided in two parts, 252 and 34491, that added together give a palindrome (34743).

The spelling of 25234491 in words is "twenty-five million, two hundred thirty-four thousand, four hundred ninety-one".