206194801 has 2 divisors, whose sum is σ = 206194802. Its totient is φ = 206194800.

The previous prime is 206194771. The next prime is 206194817. The reversal of 206194801 is 108491602.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156125025 + 50069776 = 12495^2 + 7076^2 .

It is a cyclic number.

It is not a de Polignac number, because 206194801 - 2¹⁷ = 206063729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206194841) 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, 103097400 + 103097401.

It is an arithmetic number, because the mean of its divisors is an integer number (103097401).

Almost surely, 2^206194801 is an apocalyptic number.

It is an amenable number.

206194801 is a deficient number, since it is larger than the sum of its proper divisors (1).

206194801 is an equidigital number, since it uses as much as digits as its factorization.

206194801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 206194801 is about 14359.4847052393. The cubic root of 206194801 is about 590.7801620317.

The spelling of 206194801 in words is "two hundred six million, one hundred ninety-four thousand, eight hundred one".