206066243 has 2 divisors, whose sum is σ = 206066244. Its totient is φ = 206066242.

The previous prime is 206066213. The next prime is 206066261. The reversal of 206066243 is 342660602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206066243 - 2¹⁴ = 206049859 is a prime.

It is not a weakly prime, because it can be changed into another prime (206066213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103033121 + 103033122.

It is an arithmetic number, because the mean of its divisors is an integer number (103033122).

Almost surely, 2^206066243 is an apocalyptic number.

206066243 is a deficient number, since it is larger than the sum of its proper divisors (1).

206066243 is an equidigital number, since it uses as much as digits as its factorization.

206066243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 206066243 is about 14355.0075931711. The cubic root of 206066243 is about 590.6573569537.

The spelling of 206066243 in words is "two hundred six million, sixty-six thousand, two hundred forty-three".