25225860 has 96 divisors (see below), whose sum is σ = 79212672. Its totient is φ = 5944320.

The previous prime is 25225843. The next prime is 25225867. The reversal of 25225860 is 6852252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (25225867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23904 + ... + 24936.

It is an arithmetic number, because the mean of its divisors is an integer number (825132).

Almost surely, 2^25225860 is an apocalyptic number.

25225860 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 25225860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39606336).

25225860 is an abundant number, since it is smaller than the sum of its proper divisors (53986812).

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

25225860 is a wasteful number, since it uses less digits than its factorization.

25225860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 25225860 is about 5022.5352164022. The cubic root of 25225860 is about 293.2796934747.

The spelling of 25225860 in words is "twenty-five million, two hundred twenty-five thousand, eight hundred sixty".