4125204225 has 36 divisors (see below), whose sum is σ = 7482259200. Its totient is φ = 2172250080.

The previous prime is 4125204179. The next prime is 4125204229. The reversal of 4125204225 is 5224025214.

4125204225 is a `hidden beast` number, since 412 + 5 + 20 + 4 + 225 = 666.

It is not a de Polignac number, because 4125204225 - 2¹² = 4125200129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4125204229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98265 + ... + 133814.

Almost surely, 2^4125204225 is an apocalyptic number.

4125204225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4125204225 is a deficient number, since it is larger than the sum of its proper divisors (3357054975).

4125204225 is a wasteful number, since it uses less digits than its factorization.

4125204225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232174 (or 232166 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4125204225 is about 64227.7527631164. The cubic root of 4125204225 is about 1603.7936315793.

Adding to 4125204225 its reverse (5224025214), we get a palindrome (9349229439).

The spelling of 4125204225 in words is "four billion, one hundred twenty-five million, two hundred four thousand, two hundred twenty-five".