25225204 has 12 divisors (see below), whose sum is σ = 46063584. Its totient is φ = 12064184.

The previous prime is 25225201. The next prime is 25225237. The reversal of 25225204 is 40252252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137002 + ... + 137185.

It is an arithmetic number, because the mean of its divisors is an integer number (3838632).

Almost surely, 2^25225204 is an apocalyptic number.

It is an amenable number.

25225204 is a deficient number, since it is larger than the sum of its proper divisors (20838380).

25225204 is a wasteful number, since it uses less digits than its factorization.

25225204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274214 (or 274212 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 25225204 is about 5022.4699103131. The cubic root of 25225204 is about 293.2771512006.

Adding to 25225204 its reverse (40252252), we get a palindrome (65477456).

The spelling of 25225204 in words is "twenty-five million, two hundred twenty-five thousand, two hundred four".