206275073 has 2 divisors, whose sum is σ = 206275074. Its totient is φ = 206275072.

The previous prime is 206275049. The next prime is 206275079. The reversal of 206275073 is 370572602.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136585969 + 69689104 = 11687^2 + 8348^2 .

It is a cyclic number.

It is not a de Polignac number, because 206275073 - 2¹⁰ = 206274049 is a prime.

It is not a weakly prime, because it can be changed into another prime (206275079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103137536 + 103137537.

It is an arithmetic number, because the mean of its divisors is an integer number (103137537).

Almost surely, 2^206275073 is an apocalyptic number.

It is an amenable number.

206275073 is a deficient number, since it is larger than the sum of its proper divisors (1).

206275073 is an equidigital number, since it uses as much as digits as its factorization.

206275073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 206275073 is about 14362.2795196306. The cubic root of 206275073 is about 590.8568160054.

The spelling of 206275073 in words is "two hundred six million, two hundred seventy-five thousand, seventy-three".