206042041 has 2 divisors, whose sum is σ = 206042042. Its totient is φ = 206042040.

The previous prime is 206042021. The next prime is 206042051. The reversal of 206042041 is 140240602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201526416 + 4515625 = 14196^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 206042041 - 2⁵ = 206042009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206042021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103021020 + 103021021.

It is an arithmetic number, because the mean of its divisors is an integer number (103021021).

Almost surely, 2^206042041 is an apocalyptic number.

It is an amenable number.

206042041 is a deficient number, since it is larger than the sum of its proper divisors (1).

206042041 is an equidigital number, since it uses as much as digits as its factorization.

206042041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 206042041 is about 14354.1645873245. The cubic root of 206042041 is about 590.6342322717.

Adding to 206042041 its reverse (140240602), we get a palindrome (346282643).

The spelling of 206042041 in words is "two hundred six million, forty-two thousand, forty-one".