204305249 has 2 divisors, whose sum is σ = 204305250. Its totient is φ = 204305248.

The previous prime is 204305237. The next prime is 204305263. The reversal of 204305249 is 942503402.

204305249 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., 174055249 + 30250000 = 13193^2 + 5500^2 .

It is a cyclic number.

It is not a de Polignac number, because 204305249 - 2⁸ = 204304993 is a prime.

It is not a weakly prime, because it can be changed into another prime (204305209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102152624 + 102152625.

It is an arithmetic number, because the mean of its divisors is an integer number (102152625).

Almost surely, 2^204305249 is an apocalyptic number.

It is an amenable number.

204305249 is a deficient number, since it is larger than the sum of its proper divisors (1).

204305249 is an equidigital number, since it uses as much as digits as its factorization.

204305249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 204305249 is about 14293.5387150978. The cubic root of 204305249 is about 588.9700012489.

The spelling of 204305249 in words is "two hundred four million, three hundred five thousand, two hundred forty-nine".