206103353 has 2 divisors, whose sum is σ = 206103354. Its totient is φ = 206103352.

The previous prime is 206103311. The next prime is 206103367. The reversal of 206103353 is 353301602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180983209 + 25120144 = 13453^2 + 5012^2 .

It is a cyclic number.

It is not a de Polignac number, because 206103353 - 2¹⁶ = 206037817 is a prime.

It is not a weakly prime, because it can be changed into another prime (206103383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103051676 + 103051677.

It is an arithmetic number, because the mean of its divisors is an integer number (103051677).

Almost surely, 2^206103353 is an apocalyptic number.

It is an amenable number.

206103353 is a deficient number, since it is larger than the sum of its proper divisors (1).

206103353 is an equidigital number, since it uses as much as digits as its factorization.

206103353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 206103353 is about 14356.3001152804. The cubic root of 206103353 is about 590.6928115379.

Adding to 206103353 its reverse (353301602), we get a palindrome (559404955).

The spelling of 206103353 in words is "two hundred six million, one hundred three thousand, three hundred fifty-three".