25214432 has 24 divisors (see below), whose sum is σ = 50580936. Its totient is φ = 12368512.

The previous prime is 25214401. The next prime is 25214447. The reversal of 25214432 is 23441252.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25214398 and 25214407.

It is a congruent number.

It is an unprimeable number.

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, 5738 + ... + 9129.

It is an arithmetic number, because the mean of its divisors is an integer number (2107539).

Almost surely, 2^25214432 is an apocalyptic number.

It is an amenable number.

25214432 is an abundant number, since it is smaller than the sum of its proper divisors (25366504).

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

25214432 is a wasteful number, since it uses less digits than its factorization.

25214432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14930 (or 14922 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 25214432 is about 5021.3974150629. The cubic root of 25214432 is about 293.2353988951.

Adding to 25214432 its reverse (23441252), we get a palindrome (48655684).

It can be divided in two parts, 252144 and 32, that multiplied together give a palindrome (8068608).

The spelling of 25214432 in words is "twenty-five million, two hundred fourteen thousand, four hundred thirty-two".