25448659 has 6 divisors (see below), whose sum is σ = 26086220. Its totient is φ = 24826320.

The previous prime is 25448653. The next prime is 25448681. The reversal of 25448659 is 95684452.

It is not a de Polignac number, because 25448659 - 2⁵ = 25448627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25448653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5889 + ... + 9250.

Almost surely, 2^25448659 is an apocalyptic number.

25448659 is a deficient number, since it is larger than the sum of its proper divisors (637561).

25448659 is an equidigital number, since it uses as much as digits as its factorization.

25448659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15221 (or 15180 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 25448659 is about 5044.6663913484. Note that the first 3 decimals coincide. The cubic root of 25448659 is about 294.1405955953.

The spelling of 25448659 in words is "twenty-five million, four hundred forty-eight thousand, six hundred fifty-nine".