25225356 has 48 divisors (see below), whose sum is σ = 64054368. Its totient is φ = 7680000.

The previous prime is 25225337. The next prime is 25225363. The reversal of 25225356 is 65352252.

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, 14956 + ... + 16556.

It is an arithmetic number, because the mean of its divisors is an integer number (1334466).

Almost surely, 2^25225356 is an apocalyptic number.

25225356 is a gapful number since it is divisible by the number (26) 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 25225356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32027184).

25225356 is an abundant number, since it is smaller than the sum of its proper divisors (38829012).

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

25225356 is a wasteful number, since it uses less digits than its factorization.

25225356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722 (or 1720 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 25225356 is about 5022.4850422873. The cubic root of 25225356 is about 293.2777402681.

The spelling of 25225356 in words is "twenty-five million, two hundred twenty-five thousand, three hundred fifty-six".