206963741 has 2 divisors, whose sum is σ = 206963742. Its totient is φ = 206963740.

The previous prime is 206963699. The next prime is 206963747. The reversal of 206963741 is 147369602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159491641 + 47472100 = 12629^2 + 6890^2 .

It is a cyclic number.

It is not a de Polignac number, because 206963741 - 2⁶ = 206963677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 206963695 and 206963704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206963747) 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, 103481870 + 103481871.

It is an arithmetic number, because the mean of its divisors is an integer number (103481871).

Almost surely, 2^206963741 is an apocalyptic number.

It is an amenable number.

206963741 is a deficient number, since it is larger than the sum of its proper divisors (1).

206963741 is an equidigital number, since it uses as much as digits as its factorization.

206963741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 206963741 is about 14386.2344273962. The cubic root of 206963741 is about 591.5136285891.

The spelling of 206963741 in words is "two hundred six million, nine hundred sixty-three thousand, seven hundred forty-one".