25115272 has 32 divisors (see below), whose sum is σ = 57960000. Its totient is φ = 9935424.

The previous prime is 25115263. The next prime is 25115317. The reversal of 25115272 is 27251152.

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, 16522 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (1811250).

Almost surely, 2^25115272 is an apocalyptic number.

It is an amenable number.

25115272 is an abundant number, since it is smaller than the sum of its proper divisors (32844728).

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

25115272 is a wasteful number, since it uses less digits than its factorization.

25115272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34525 (or 34521 counting only the distinct ones).

The product of its digits is 1400, while the sum is 25.

The square root of 25115272 is about 5011.5139429119. The cubic root of 25115272 is about 292.8504946906.

The spelling of 25115272 in words is "twenty-five million, one hundred fifteen thousand, two hundred seventy-two".