204141209 has 2 divisors, whose sum is σ = 204141210. Its totient is φ = 204141208.

The previous prime is 204141191. The next prime is 204141227. The reversal of 204141209 is 902141402.

204141209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (204141191) and next prime (204141227).

It can be written as a sum of positive squares in only one way, i.e., 108160000 + 95981209 = 10400^2 + 9797^2 .

It is a cyclic number.

It is not a de Polignac number, because 204141209 - 2²⁰ = 203092633 is a prime.

It is not a weakly prime, because it can be changed into another prime (204141299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102070604 + 102070605.

It is an arithmetic number, because the mean of its divisors is an integer number (102070605).

Almost surely, 2^204141209 is an apocalyptic number.

It is an amenable number.

204141209 is a deficient number, since it is larger than the sum of its proper divisors (1).

204141209 is an equidigital number, since it uses as much as digits as its factorization.

204141209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 204141209 is about 14287.7993057014. The cubic root of 204141209 is about 588.8123278512.

The spelling of 204141209 in words is "two hundred four million, one hundred forty-one thousand, two hundred nine".