206047 has 2 divisors, whose sum is σ = 206048. Its totient is φ = 206046.

The previous prime is 206039. The next prime is 206051. The reversal of 206047 is 740602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206047 - 2³ = 206039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206027) 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, 103023 + 103024.

It is an arithmetic number, because the mean of its divisors is an integer number (103024).

2²⁰⁶⁰⁴⁷ is an apocalyptic number.

206047 is a deficient number, since it is larger than the sum of its proper divisors (1).

206047 is an equidigital number, since it uses as much as digits as its factorization.

206047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 206047 is about 453.9240024497. The cubic root of 206047 is about 59.0638970676.

Adding to 206047 its reverse (740602), we get a palindrome (946649).

The spelling of 206047 in words is "two hundred six thousand, forty-seven".