2003385217 has 2 divisors, whose sum is σ = 2003385218. Its totient is φ = 2003385216.

The previous prime is 2003385191. The next prime is 2003385233. The reversal of 2003385217 is 7125833002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1760305936 + 243079281 = 41956^2 + 15591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003385217 - 2⁷ = 2003385089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2003355217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001692608 + 1001692609.

It is an arithmetic number, because the mean of its divisors is an integer number (1001692609).

Almost surely, 2^2003385217 is an apocalyptic number.

It is an amenable number.

2003385217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003385217 is an equidigital number, since it uses as much as digits as its factorization.

2003385217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2003385217 is about 44759.1914247789. The cubic root of 2003385217 is about 1260.6315002335.

The spelling of 2003385217 in words is "two billion, three million, three hundred eighty-five thousand, two hundred seventeen".