25616272 has 20 divisors (see below), whose sum is σ = 54143856. Its totient is φ = 11643680.

The previous prime is 25616257. The next prime is 25616287. The reversal of 25616272 is 27261652.

It is an interprime number because it is at equal distance from previous prime (25616257) and next prime (25616287).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72598 + ... + 72949.

Almost surely, 2^25616272 is an apocalyptic number.

25616272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25616272 is an abundant number, since it is smaller than the sum of its proper divisors (28527584).

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

25616272 is a wasteful number, since it uses less digits than its factorization.

25616272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145566 (or 145560 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 25616272 is about 5061.2520190166. The cubic root of 25616272 is about 294.7849509994.

The spelling of 25616272 in words is "twenty-five million, six hundred sixteen thousand, two hundred seventy-two".