204351225 has 48 divisors (see below), whose sum is σ = 375642624. Its totient is φ = 97344000.

The previous prime is 204351221. The next prime is 204351227. The reversal of 204351225 is 522153402.

It is not a de Polignac number, because 204351225 - 2² = 204351221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204351195 and 204351204.

It is not an unprimeable number, because it can be changed into a prime (204351221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26845 + ... + 33605.

It is an arithmetic number, because the mean of its divisors is an integer number (7825888).

Almost surely, 2^204351225 is an apocalyptic number.

204351225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

204351225 is a deficient number, since it is larger than the sum of its proper divisors (171291399).

204351225 is a wasteful number, since it uses less digits than its factorization.

204351225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818 (or 6813 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 204351225 is about 14295.1469037572. The cubic root of 204351225 is about 589.0141777185.

The spelling of 204351225 in words is "two hundred four million, three hundred fifty-one thousand, two hundred twenty-five".