204065125 has 16 divisors (see below), whose sum is σ = 277827264. Its totient is φ = 148410000.

The previous prime is 204065107. The next prime is 204065153. The reversal of 204065125 is 521560402.

It is not a de Polignac number, because 204065125 - 2⁹ = 204064613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 204065125.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 72831 + ... + 75580.

It is an arithmetic number, because the mean of its divisors is an integer number (17364204).

Almost surely, 2^204065125 is an apocalyptic number.

204065125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204065125 is a deficient number, since it is larger than the sum of its proper divisors (73762139).

204065125 is a wasteful number, since it uses less digits than its factorization.

204065125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148437 (or 148427 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 204065125 is about 14285.1365061731. The cubic root of 204065125 is about 588.7391680939.

The spelling of 204065125 in words is "two hundred four million, sixty-five thousand, one hundred twenty-five".