25322432 has 28 divisors (see below), whose sum is σ = 50779680. Its totient is φ = 12527616.

The previous prime is 25322419. The next prime is 25322441. The reversal of 25322432 is 23422352.

It is a junction number, because it is equal to n+sod(n) for n = 25322398 and 25322407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4169 + ... + 8247.

It is an arithmetic number, because the mean of its divisors is an integer number (1813560).

Almost surely, 2^25322432 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 25322432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25389840).

25322432 is an abundant number, since it is smaller than the sum of its proper divisors (25457248).

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

25322432 is an equidigital number, since it uses as much as digits as its factorization.

25322432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4178 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 25322432 is about 5032.1399026657. The cubic root of 25322432 is about 293.6534705010.

Adding to 25322432 its reverse (23422352), we get a palindrome (48744784).

The spelling of 25322432 in words is "twenty-five million, three hundred twenty-two thousand, four hundred thirty-two".