850243 has 2 divisors, whose sum is σ = 850244. Its totient is φ = 850242.

The previous prime is 850229. The next prime is 850247. The reversal of 850243 is 342058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850243 - 2⁵ = 850211 is a prime.

It is not a weakly prime, because it can be changed into another prime (850247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425121 + 425122.

It is an arithmetic number, because the mean of its divisors is an integer number (425122).

2⁸⁵⁰²⁴³ is an apocalyptic number.

850243 is a deficient number, since it is larger than the sum of its proper divisors (1).

850243 is an equidigital number, since it uses as much as digits as its factorization.

850243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 850243 is about 922.0862215650. The cubic root of 850243 is about 94.7358497676.

The spelling of 850243 in words is "eight hundred fifty thousand, two hundred forty-three".