206273 has 2 divisors, whose sum is σ = 206274. Its totient is φ = 206272.

The previous prime is 206263. The next prime is 206279. The reversal of 206273 is 372602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123904 + 82369 = 352^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 206273 - 2⁶ = 206209 is a prime.

It is not a weakly prime, because it can be changed into another prime (206279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103136 + 103137.

It is an arithmetic number, because the mean of its divisors is an integer number (103137).

2²⁰⁶²⁷³ is an apocalyptic number.

It is an amenable number.

206273 is a deficient number, since it is larger than the sum of its proper divisors (1).

206273 is an equidigital number, since it uses as much as digits as its factorization.

206273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 206273 is about 454.1728745753. The cubic root of 206273 is about 59.0854836690.

Adding to 206273 its reverse (372602), we get a palindrome (578875).

The spelling of 206273 in words is "two hundred six thousand, two hundred seventy-three".