204308125 has 80 divisors (see below), whose sum is σ = 321197184. Its totient is φ = 126720000.

The previous prime is 204308119. The next prime is 204308173. The reversal of 204308125 is 521803402.

It is not a de Polignac number, because 204308125 - 2⁷ = 204307997 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 204308125.

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 3049342 + ... + 3049408.

Almost surely, 2^204308125 is an apocalyptic number.

204308125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204308125 is a deficient number, since it is larger than the sum of its proper divisors (116889059).

204308125 is an equidigital number, since it uses as much as digits as its factorization.

204308125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 204308125 is about 14293.6393196414. The cubic root of 204308125 is about 588.9727648748.

The spelling of 204308125 in words is "two hundred four million, three hundred eight thousand, one hundred twenty-five".