25472491 has 8 divisors (see below), whose sum is σ = 28075824. Its totient is φ = 22917120.

The previous prime is 25472467. The next prime is 25472497. The reversal of 25472491 is 19427452.

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 25472491 - 2⁵ = 25472459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25472497) 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, 10870 + ... + 13003.

It is an arithmetic number, because the mean of its divisors is an integer number (3509478).

Almost surely, 2^25472491 is an apocalyptic number.

25472491 is a deficient number, since it is larger than the sum of its proper divisors (2603333).

25472491 is a wasteful number, since it uses less digits than its factorization.

25472491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981.

The product of its digits is 20160, while the sum is 34.

The square root of 25472491 is about 5047.0279373112. The cubic root of 25472491 is about 294.2323852596.

The spelling of 25472491 in words is "twenty-five million, four hundred seventy-two thousand, four hundred ninety-one".