25385448 has 32 divisors (see below), whose sum is σ = 69233760. Its totient is φ = 7692480.

The previous prime is 25385447. The next prime is 25385449. The reversal of 25385448 is 84458352.

It is an interprime number because it is at equal distance from previous prime (25385447) and next prime (25385449).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25385443) 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, 47815 + ... + 48342.

It is an arithmetic number, because the mean of its divisors is an integer number (2163555).

Almost surely, 2^25385448 is an apocalyptic number.

It is an amenable number.

25385448 is an abundant number, since it is smaller than the sum of its proper divisors (43848312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25385448 is a wasteful number, since it uses less digits than its factorization.

25385448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96177 (or 96173 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The square root of 25385448 is about 5038.3973642419. The cubic root of 25385448 is about 293.8968586324.

The spelling of 25385448 in words is "twenty-five million, three hundred eighty-five thousand, four hundred forty-eight".