6668203 has 2 divisors, whose sum is σ = 6668204. Its totient is φ = 6668202.

The previous prime is 6668171. The next prime is 6668209. The reversal of 6668203 is 3028666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6668203 - 2⁵ = 6668171 is a prime.

It is not a weakly prime, because it can be changed into another prime (6668209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3334101 + 3334102.

It is an arithmetic number, because the mean of its divisors is an integer number (3334102).

Almost surely, 2^6668203 is an apocalyptic number.

6668203 is a deficient number, since it is larger than the sum of its proper divisors (1).

6668203 is an equidigital number, since it uses as much as digits as its factorization.

6668203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 6668203 is about 2582.2863900040. The cubic root of 6668203 is about 188.2216621160.

The spelling of 6668203 in words is "six million, six hundred sixty-eight thousand, two hundred three".