25582232 has 16 divisors (see below), whose sum is σ = 51656640. Its totient is φ = 11807136.

The previous prime is 25582231. The next prime is 25582243. The reversal of 25582232 is 23228552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25582195 and 25582204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25582231) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122888 + ... + 123095.

It is an arithmetic number, because the mean of its divisors is an integer number (3228540).

Almost surely, 2^25582232 is an apocalyptic number.

It is an amenable number.

25582232 is an abundant number, since it is smaller than the sum of its proper divisors (26074408).

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

25582232 is a wasteful number, since it uses less digits than its factorization.

25582232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246002 (or 245998 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 25582232 is about 5057.8880968246. Note that the first 3 decimals coincide. The cubic root of 25582232 is about 294.6543188272.

The spelling of 25582232 in words is "twenty-five million, five hundred eighty-two thousand, two hundred thirty-two".