208036841 has 2 divisors, whose sum is σ = 208036842. Its totient is φ = 208036840.

The previous prime is 208036831. The next prime is 208036847. The reversal of 208036841 is 148630802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193627225 + 14409616 = 13915^2 + 3796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208036841 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 208036798 and 208036807.

It is not a weakly prime, because it can be changed into another prime (208036847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104018420 + 104018421.

It is an arithmetic number, because the mean of its divisors is an integer number (104018421).

Almost surely, 2^208036841 is an apocalyptic number.

It is an amenable number.

208036841 is a deficient number, since it is larger than the sum of its proper divisors (1).

208036841 is an equidigital number, since it uses as much as digits as its factorization.

208036841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 208036841 is about 14423.4822771756. The cubic root of 208036841 is about 592.5341928079.

The spelling of 208036841 in words is "two hundred eight million, thirty-six thousand, eight hundred forty-one".