204424125 has 16 divisors (see below), whose sum is σ = 340162368. Its totient is φ = 109026000.

The previous prime is 204424111. The next prime is 204424151. The reversal of 204424125 is 521424402.

It is a happy number.

It is not a de Polignac number, because 204424125 - 2⁵ = 204424093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204424095 and 204424104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272191 + ... + 272940.

It is an arithmetic number, because the mean of its divisors is an integer number (21260148).

Almost surely, 2^204424125 is an apocalyptic number.

204424125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204424125 is a deficient number, since it is larger than the sum of its proper divisors (135738243).

204424125 is an equidigital number, since it uses as much as digits as its factorization.

204424125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545149 (or 545139 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 204424125 is about 14297.6964927921. The cubic root of 204424125 is about 589.0842107846.

Adding to 204424125 its reverse (521424402), we get a palindrome (725848527).

The spelling of 204424125 in words is "two hundred four million, four hundred twenty-four thousand, one hundred twenty-five".