204343049 has 2 divisors, whose sum is σ = 204343050. Its totient is φ = 204343048.

The previous prime is 204343033. The next prime is 204343067. The reversal of 204343049 is 940343402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147792649 + 56550400 = 12157^2 + 7520^2 .

It is a cyclic number.

It is not a de Polignac number, because 204343049 - 2⁴ = 204343033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204343079) 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, 102171524 + 102171525.

It is an arithmetic number, because the mean of its divisors is an integer number (102171525).

Almost surely, 2^204343049 is an apocalyptic number.

It is an amenable number.

204343049 is a deficient number, since it is larger than the sum of its proper divisors (1).

204343049 is an equidigital number, since it uses as much as digits as its factorization.

204343049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 204343049 is about 14294.8609297188. The cubic root of 204343049 is about 589.0063222168.

The spelling of 204343049 in words is "two hundred four million, three hundred forty-three thousand, forty-nine".