25845120 has 192 divisors, whose sum is σ = 102155040. Its totient is φ = 5898240.

The previous prime is 25845109. The next prime is 25845133. The reversal of 25845120 is 2154852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40000 + ... + 40640.

Almost surely, 2^25845120 is an apocalyptic number.

25845120 is a gapful number since it is divisible by the number (20) 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 25845120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51077520).

25845120 is an abundant number, since it is smaller than the sum of its proper divisors (76309920).

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

25845120 is a wasteful number, since it uses less digits than its factorization.

25845120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 25845120 is about 5083.8095951756. The cubic root of 25845120 is about 295.6601895425.

Adding to 25845120 its reverse (2154852), we get a palindrome (27999972).

The spelling of 25845120 in words is "twenty-five million, eight hundred forty-five thousand, one hundred twenty".