204442125 has 64 divisors (see below), whose sum is σ = 353034240. Its totient is φ = 105019200.

The previous prime is 204442099. The next prime is 204442127. The reversal of 204442125 is 521244402.

It is a happy number.

It is not a de Polignac number, because 204442125 - 2⁷ = 204441997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204442095 and 204442104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204442127) 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 63 ways as a sum of consecutive naturals, for example, 1984824 + ... + 1984926.

It is an arithmetic number, because the mean of its divisors is an integer number (5516160).

Almost surely, 2^204442125 is an apocalyptic number.

204442125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204442125 is a deficient number, since it is larger than the sum of its proper divisors (148592115).

204442125 is a wasteful number, since it uses less digits than its factorization.

204442125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 257 counting only the distinct ones).

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

The square root of 204442125 is about 14298.3259509636. The cubic root of 204442125 is about 589.1015003365.

Adding to 204442125 its reverse (521244402), we get a palindrome (725686527).

The spelling of 204442125 in words is "two hundred four million, four hundred forty-two thousand, one hundred twenty-five".