25204412 has 24 divisors (see below), whose sum is σ = 48451200. Its totient is φ = 11419056.

The previous prime is 25204411. The next prime is 25204429. The reversal of 25204412 is 21440252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25204411) 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 7 ways as a sum of consecutive naturals, for example, 5462 + ... + 8957.

It is an arithmetic number, because the mean of its divisors is an integer number (2018800).

Almost surely, 2^25204412 is an apocalyptic number.

It is an amenable number.

25204412 is a deficient number, since it is larger than the sum of its proper divisors (23246788).

25204412 is a wasteful number, since it uses less digits than its factorization.

25204412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14465 (or 14463 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 25204412 is about 5020.3995856904. The cubic root of 25204412 is about 293.1965506674.

Adding to 25204412 its reverse (21440252), we get a palindrome (46644664).

The spelling of 25204412 in words is "twenty-five million, two hundred four thousand, four hundred twelve".