206806601 has 2 divisors, whose sum is σ = 206806602. Its totient is φ = 206806600.

The previous prime is 206806597. The next prime is 206806637. The reversal of 206806601 is 106608602.

206806601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206784400 + 22201 = 14380^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 206806601 - 2² = 206806597 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206806661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103403300 + 103403301.

It is an arithmetic number, because the mean of its divisors is an integer number (103403301).

Almost surely, 2^206806601 is an apocalyptic number.

It is an amenable number.

206806601 is a deficient number, since it is larger than the sum of its proper divisors (1).

206806601 is an equidigital number, since it uses as much as digits as its factorization.

206806601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 206806601 is about 14380.7719194764. The cubic root of 206806601 is about 591.3638857957.

The spelling of 206806601 in words is "two hundred six million, eight hundred six thousand, six hundred one".