2002387217 has 2 divisors, whose sum is σ = 2002387218. Its totient is φ = 2002387216.

The previous prime is 2002387091. The next prime is 2002387241. The reversal of 2002387217 is 7127832002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1304582161 + 697805056 = 36119^2 + 26416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002387217 - 2¹² = 2002383121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002387297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001193608 + 1001193609.

It is an arithmetic number, because the mean of its divisors is an integer number (1001193609).

Almost surely, 2^2002387217 is an apocalyptic number.

It is an amenable number.

2002387217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002387217 is an equidigital number, since it uses as much as digits as its factorization.

2002387217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2002387217 is about 44748.0414878685. The cubic root of 2002387217 is about 1260.4221347395.

The spelling of 2002387217 in words is "two billion, two million, three hundred eighty-seven thousand, two hundred seventeen".