208416673 has 2 divisors, whose sum is σ = 208416674. Its totient is φ = 208416672.

The previous prime is 208416641. The next prime is 208416683. The reversal of 208416673 is 376614802.

208416673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129686544 + 78730129 = 11388^2 + 8873^2 .

It is a cyclic number.

It is not a de Polignac number, because 208416673 - 2⁵ = 208416641 is a prime.

It is not a weakly prime, because it can be changed into another prime (208416623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104208336 + 104208337.

It is an arithmetic number, because the mean of its divisors is an integer number (104208337).

Almost surely, 2^208416673 is an apocalyptic number.

It is an amenable number.

208416673 is a deficient number, since it is larger than the sum of its proper divisors (1).

208416673 is an equidigital number, since it uses as much as digits as its factorization.

208416673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 208416673 is about 14436.6434118184. The cubic root of 208416673 is about 592.8945882908.

The spelling of 208416673 in words is "two hundred eight million, four hundred sixteen thousand, six hundred seventy-three".