208298113 has 2 divisors, whose sum is σ = 208298114. Its totient is φ = 208298112.

The previous prime is 208298087. The next prime is 208298117. The reversal of 208298113 is 311892802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173923344 + 34374769 = 13188^2 + 5863^2 .

It is a cyclic number.

It is not a de Polignac number, because 208298113 - 2⁹ = 208297601 is a prime.

It is not a weakly prime, because it can be changed into another prime (208298117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104149056 + 104149057.

It is an arithmetic number, because the mean of its divisors is an integer number (104149057).

Almost surely, 2^208298113 is an apocalyptic number.

It is an amenable number.

208298113 is a deficient number, since it is larger than the sum of its proper divisors (1).

208298113 is an equidigital number, since it uses as much as digits as its factorization.

208298113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 208298113 is about 14432.5366100350. The cubic root of 208298113 is about 592.7821422075.

The spelling of 208298113 in words is "two hundred eight million, two hundred ninety-eight thousand, one hundred thirteen".