204408241 has 2 divisors, whose sum is σ = 204408242. Its totient is φ = 204408240.

The previous prime is 204408233. The next prime is 204408287. The reversal of 204408241 is 142804402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203889841 + 518400 = 14279^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 204408241 - 2³ = 204408233 is a prime.

It is not a weakly prime, because it can be changed into another prime (204405241) 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, 102204120 + 102204121.

It is an arithmetic number, because the mean of its divisors is an integer number (102204121).

Almost surely, 2^204408241 is an apocalyptic number.

It is an amenable number.

204408241 is a deficient number, since it is larger than the sum of its proper divisors (1).

204408241 is an equidigital number, since it uses as much as digits as its factorization.

204408241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 204408241 is about 14297.1410079078. The cubic root of 204408241 is about 589.0689528725.

The spelling of 204408241 in words is "two hundred four million, four hundred eight thousand, two hundred forty-one".