204849313 has 2 divisors, whose sum is σ = 204849314. Its totient is φ = 204849312.

The previous prime is 204849299. The next prime is 204849319. The reversal of 204849313 is 313948402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136819809 + 68029504 = 11697^2 + 8248^2 .

It is a cyclic number.

It is not a de Polignac number, because 204849313 - 2²¹ = 202752161 is a prime.

It is not a weakly prime, because it can be changed into another prime (204849319) 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 as a sum of consecutive naturals, namely, 102424656 + 102424657.

It is an arithmetic number, because the mean of its divisors is an integer number (102424657).

Almost surely, 2^204849313 is an apocalyptic number.

It is an amenable number.

204849313 is a deficient number, since it is larger than the sum of its proper divisors (1).

204849313 is an equidigital number, since it uses as much as digits as its factorization.

204849313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 204849313 is about 14312.5578776122. The cubic root of 204849313 is about 589.4923460496.

The spelling of 204849313 in words is "two hundred four million, eight hundred forty-nine thousand, three hundred thirteen".