25000272 has 80 divisors (see below), whose sum is σ = 78298560. Its totient is φ = 7574400.

The previous prime is 25000267. The next prime is 25000273. The reversal of 25000272 is 27200052.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122 + ... + 7382.

It is an arithmetic number, because the mean of its divisors is an integer number (978732).

Almost surely, 2^25000272 is an apocalyptic number.

25000272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25000272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39149280).

25000272 is an abundant number, since it is smaller than the sum of its proper divisors (53298288).

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

25000272 is a wasteful number, since it uses less digits than its factorization.

25000272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289 (or 5277 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 25000272 is about 5000.0271999260. The cubic root of 25000272 is about 292.4028342612.

The spelling of 25000272 in words is "twenty-five million, two hundred seventy-two", and thus it is an aban number.