25572448 has 24 divisors (see below), whose sum is σ = 54923400. Its totient is φ = 11623680.

The previous prime is 25572433. The next prime is 25572451. The reversal of 25572448 is 84427552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35973 + ... + 36676.

It is an arithmetic number, because the mean of its divisors is an integer number (2288475).

Almost surely, 2^25572448 is an apocalyptic number.

It is an amenable number.

25572448 is an abundant number, since it is smaller than the sum of its proper divisors (29350952).

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

25572448 is a wasteful number, since it uses less digits than its factorization.

25572448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72670 (or 72662 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 25572448 is about 5056.9208022274. The cubic root of 25572448 is about 294.6167502333.

It can be divided in two parts, 2557 and 2448, that added together give a palindrome (5005).

The spelling of 25572448 in words is "twenty-five million, five hundred seventy-two thousand, four hundred forty-eight".