25492272 has 40 divisors (see below), whose sum is σ = 70922544. Its totient is φ = 7843584.

The previous prime is 25492267. The next prime is 25492309. The reversal of 25492272 is 27229452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19803 + ... + 21050.

Almost surely, 2^25492272 is an apocalyptic number.

It is an amenable number.

25492272 is an abundant number, since it is smaller than the sum of its proper divisors (45430272).

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

25492272 is a wasteful number, since it uses less digits than its factorization.

25492272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40877 (or 40871 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 25492272 is about 5048.9872251769. The cubic root of 25492272 is about 294.3085289038.

The spelling of 25492272 in words is "twenty-five million, four hundred ninety-two thousand, two hundred seventy-two".