204253317 has 24 divisors (see below), whose sum is σ = 325975104. Its totient is φ = 122584704.

The previous prime is 204253307. The next prime is 204253331. The reversal of 204253317 is 713352402.

It is not a de Polignac number, because 204253317 - 2⁶ = 204253253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204253307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25503 + ... + 32540.

It is an arithmetic number, because the mean of its divisors is an integer number (13582296).

Almost surely, 2^204253317 is an apocalyptic number.

It is an amenable number.

204253317 is a deficient number, since it is larger than the sum of its proper divisors (121721787).

204253317 is a wasteful number, since it uses less digits than its factorization.

204253317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58089 (or 58086 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 204253317 is about 14291.7219746257. The cubic root of 204253317 is about 588.9200939294.

The spelling of 204253317 in words is "two hundred four million, two hundred fifty-three thousand, three hundred seventeen".