206001773 has 2 divisors, whose sum is σ = 206001774. Its totient is φ = 206001772.

The previous prime is 206001709. The next prime is 206001791. The reversal of 206001773 is 377100602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202265284 + 3736489 = 14222^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 206001773 - 2⁶ = 206001709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206001973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103000886 + 103000887.

It is an arithmetic number, because the mean of its divisors is an integer number (103000887).

Almost surely, 2^206001773 is an apocalyptic number.

It is an amenable number.

206001773 is a deficient number, since it is larger than the sum of its proper divisors (1).

206001773 is an equidigital number, since it uses as much as digits as its factorization.

206001773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 206001773 is about 14352.7618596561. The cubic root of 206001773 is about 590.5957527318.

The spelling of 206001773 in words is "two hundred six million, one thousand, seven hundred seventy-three".