204330625 has 20 divisors (see below), whose sum is σ = 261303856. Its totient is φ = 159642000.

The previous prime is 204330619. The next prime is 204330631. The reversal of 204330625 is 526033402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204330619) and next prime (204330631).

It is a de Polignac number, because none of the positive numbers 2^k-204330625 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204330625.

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 19 ways as a sum of consecutive naturals, for example, 23074 + ... + 30676.

Almost surely, 2^204330625 is an apocalyptic number.

204330625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204330625 is a deficient number, since it is larger than the sum of its proper divisors (56973231).

204330625 is an frugal number, since it uses more digits than its factorization.

204330625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7666 (or 7651 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 204330625 is about 14294.4263613480. The cubic root of 204330625 is about 588.9943848352.

The spelling of 204330625 in words is "two hundred four million, three hundred thirty thousand, six hundred twenty-five".