200850217 has 2 divisors, whose sum is σ = 200850218. Its totient is φ = 200850216.

The previous prime is 200850203. The next prime is 200850227. The reversal of 200850217 is 712058002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 94945536 = 10291^2 + 9744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200850217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200850191 and 200850200.

It is not a weakly prime, because it can be changed into another prime (200850227) 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, 100425108 + 100425109.

It is an arithmetic number, because the mean of its divisors is an integer number (100425109).

Almost surely, 2^200850217 is an apocalyptic number.

It is an amenable number.

200850217 is a deficient number, since it is larger than the sum of its proper divisors (1).

200850217 is an equidigital number, since it uses as much as digits as its factorization.

200850217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 200850217 is about 14172.1634551680. The cubic root of 200850217 is about 585.6310593369.

It can be divided in two parts, 2008 and 50217, that added together give a palindrome (52225).

The spelling of 200850217 in words is "two hundred million, eight hundred fifty thousand, two hundred seventeen".