204268213 has 2 divisors, whose sum is σ = 204268214. Its totient is φ = 204268212.

The previous prime is 204268187. The next prime is 204268217. The reversal of 204268213 is 312862402.

204268213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155575729 + 48692484 = 12473^2 + 6978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204268213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204268217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102134106 + 102134107.

It is an arithmetic number, because the mean of its divisors is an integer number (102134107).

Almost surely, 2^204268213 is an apocalyptic number.

It is an amenable number.

204268213 is a deficient number, since it is larger than the sum of its proper divisors (1).

204268213 is an equidigital number, since it uses as much as digits as its factorization.

204268213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 204268213 is about 14292.2431059649. The cubic root of 204268213 is about 588.9344100420.

The spelling of 204268213 in words is "two hundred four million, two hundred sixty-eight thousand, two hundred thirteen".