25502432 has 12 divisors (see below), whose sum is σ = 50207976. Its totient is φ = 12751200.

The previous prime is 25502417. The next prime is 25502443. The reversal of 25502432 is 23420552.

It is a junction number, because it is equal to n+sod(n) for n = 25502398 and 25502407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398444 + ... + 398507.

It is an arithmetic number, because the mean of its divisors is an integer number (4183998).

Almost surely, 2^25502432 is an apocalyptic number.

It is an amenable number.

25502432 is a deficient number, since it is larger than the sum of its proper divisors (24705544).

25502432 is an equidigital number, since it uses as much as digits as its factorization.

25502432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796961 (or 796953 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25502432 is about 5049.9932673222. The cubic root of 25502432 is about 294.3476228103.

Adding to 25502432 its reverse (23420552), we get a palindrome (48922984).

The spelling of 25502432 in words is "twenty-five million, five hundred two thousand, four hundred thirty-two".