25448272 has 20 divisors (see below), whose sum is σ = 50897536. Its totient is φ = 12313440.

The previous prime is 25448261. The next prime is 25448299. The reversal of 25448272 is 27284452.

25448272 is an admirable number.

It is a super-2 number, since 2×25448272² = 1295229095571968, which contains 22 as substring.

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, 25158 + ... + 26149.

Almost surely, 2^25448272 is an apocalyptic number.

It is an amenable number.

25448272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25448272 is a wasteful number, since it uses less digits than its factorization.

25448272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51346 (or 51340 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 25448272 is about 5044.6280338594. The cubic root of 25448272 is about 294.1391045804.

It can be divided in two parts, 2544 and 8272, that added together give a square (10816 = 104²).

The spelling of 25448272 in words is "twenty-five million, four hundred forty-eight thousand, two hundred seventy-two".