25392448 has 28 divisors (see below), whose sum is σ = 51622452. Its totient is φ = 12385280.

The previous prime is 25392427. The next prime is 25392449. The reversal of 25392448 is 84429352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8020224 + 17372224 = 2832^2 + 4168^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25392449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2215 + ... + 7462.

It is an arithmetic number, because the mean of its divisors is an integer number (1843659).

Almost surely, 2^25392448 is an apocalyptic number.

It is an amenable number.

25392448 is an abundant number, since it is smaller than the sum of its proper divisors (26230004).

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

25392448 is an equidigital number, since it uses as much as digits as its factorization.

25392448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730 (or 9720 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 25392448 is about 5039.0919816967. The cubic root of 25392448 is about 293.9238700255.

The spelling of 25392448 in words is "twenty-five million, three hundred ninety-two thousand, four hundred forty-eight".