25020112 has 60 divisors (see below), whose sum is σ = 55368480. Its totient is φ = 10917504.

The previous prime is 25020097. The next prime is 25020133. The reversal of 25020112 is 21102052.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 25020092 and 25020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51133 + ... + 51619.

It is an arithmetic number, because the mean of its divisors is an integer number (922808).

Almost surely, 2^25020112 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 25020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27684240).

25020112 is an abundant number, since it is smaller than the sum of its proper divisors (30348368).

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

25020112 is a wasteful number, since it uses less digits than its factorization.

25020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 25020112 is about 5002.0107956701. The cubic root of 25020112 is about 292.4801632638.

Adding to 25020112 its reverse (21102052), we get a palindrome (46122164).

The spelling of 25020112 in words is "twenty-five million, twenty thousand, one hundred twelve".