204343241 has 2 divisors, whose sum is σ = 204343242. Its totient is φ = 204343240.

The previous prime is 204343187. The next prime is 204343253. The reversal of 204343241 is 142343402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114169225 + 90174016 = 10685^2 + 9496^2 .

It is a cyclic number.

It is not a de Polignac number, because 204343241 - 2²² = 200148937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (204343291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102171620 + 102171621.

It is an arithmetic number, because the mean of its divisors is an integer number (102171621).

Almost surely, 2^204343241 is an apocalyptic number.

It is an amenable number.

204343241 is a deficient number, since it is larger than the sum of its proper divisors (1).

204343241 is an equidigital number, since it uses as much as digits as its factorization.

204343241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204343241 is about 14294.8676454174. The cubic root of 204343241 is about 589.0065066929.

Adding to 204343241 its reverse (142343402), we get a palindrome (346686643).

The spelling of 204343241 in words is "two hundred four million, three hundred forty-three thousand, two hundred forty-one".