25844130 has 128 divisors (see below), whose sum is σ = 76608000. Its totient is φ = 6158592.

The previous prime is 25844129. The next prime is 25844141. The reversal of 25844130 is 3144852.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25844094 and 25844103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129771 + ... + 129969.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^25844130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25844130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38304000).

25844130 is an abundant number, since it is smaller than the sum of its proper divisors (50763870).

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

25844130 is a wasteful number, since it uses less digits than its factorization.

25844130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 25844130 is about 5083.7122263165. The cubic root of 25844130 is about 295.6564143962.

Adding to 25844130 its reverse (3144852), we get a palindrome (28988982).

The spelling of 25844130 in words is "twenty-five million, eight hundred forty-four thousand, one hundred thirty".