25271112 has 64 divisors (see below), whose sum is σ = 69828480. Its totient is φ = 7580672.

The previous prime is 25271069. The next prime is 25271131. The reversal of 25271112 is 21117252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8038 + ... + 10730.

It is an arithmetic number, because the mean of its divisors is an integer number (1091070).

Almost surely, 2^25271112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25271112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34914240).

25271112 is an abundant number, since it is smaller than the sum of its proper divisors (44557368).

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

25271112 is a wasteful number, since it uses less digits than its factorization.

25271112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742 (or 2738 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 25271112 is about 5027.0380941465. The cubic root of 25271112 is about 293.4549575991.

Adding to 25271112 its reverse (21117252), we get a palindrome (46388364).

The spelling of 25271112 in words is "twenty-five million, two hundred seventy-one thousand, one hundred twelve".