206299 has 2 divisors, whose sum is σ = 206300. Its totient is φ = 206298.

The previous prime is 206291. The next prime is 206303. The reversal of 206299 is 992602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206299 - 2³ = 206291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206291) 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, 103149 + 103150.

It is an arithmetic number, because the mean of its divisors is an integer number (103150).

2²⁰⁶²⁹⁹ is an apocalyptic number.

206299 is a deficient number, since it is larger than the sum of its proper divisors (1).

206299 is an equidigital number, since it uses as much as digits as its factorization.

206299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 206299 is about 454.2014971354. The cubic root of 206299 is about 59.0879660718.

It can be divided in two parts, 206 and 299, that added together give a palindrome (505).

The spelling of 206299 in words is "two hundred six thousand, two hundred ninety-nine".