204322117 has 2 divisors, whose sum is σ = 204322118. Its totient is φ = 204322116.

The previous prime is 204322093. The next prime is 204322159. The reversal of 204322117 is 711223402.

204322117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109181601 + 95140516 = 10449^2 + 9754^2 .

It is a cyclic number.

It is not a de Polignac number, because 204322117 - 2¹¹ = 204320069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204322717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102161058 + 102161059.

It is an arithmetic number, because the mean of its divisors is an integer number (102161059).

Almost surely, 2^204322117 is an apocalyptic number.

It is an amenable number.

204322117 is a deficient number, since it is larger than the sum of its proper divisors (1).

204322117 is an equidigital number, since it uses as much as digits as its factorization.

204322117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 204322117 is about 14294.1287597391. The cubic root of 204322117 is about 588.9862097941.

Adding to 204322117 its reverse (711223402), we get a palindrome (915545519).

The spelling of 204322117 in words is "two hundred four million, three hundred twenty-two thousand, one hundred seventeen".