206389063 has 2 divisors, whose sum is σ = 206389064. Its totient is φ = 206389062.

The previous prime is 206389033. The next prime is 206389067. The reversal of 206389063 is 360983602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206389063 - 2¹³ = 206380871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206389067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103194531 + 103194532.

It is an arithmetic number, because the mean of its divisors is an integer number (103194532).

Almost surely, 2^206389063 is an apocalyptic number.

206389063 is a deficient number, since it is larger than the sum of its proper divisors (1).

206389063 is an equidigital number, since it uses as much as digits as its factorization.

206389063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 206389063 is about 14366.2473527362. The cubic root of 206389063 is about 590.9656340750.

The spelling of 206389063 in words is "two hundred six million, three hundred eighty-nine thousand, sixty-three".