850274317 has 2 divisors, whose sum is σ = 850274318. Its totient is φ = 850274316.

The previous prime is 850274309. The next prime is 850274333. The reversal of 850274317 is 713472058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731486116 + 118788201 = 27046^2 + 10899^2 .

It is a cyclic number.

It is not a de Polignac number, because 850274317 - 2³ = 850274309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850274617) 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, 425137158 + 425137159.

It is an arithmetic number, because the mean of its divisors is an integer number (425137159).

Almost surely, 2^850274317 is an apocalyptic number.

It is an amenable number.

850274317 is a deficient number, since it is larger than the sum of its proper divisors (1).

850274317 is an equidigital number, since it uses as much as digits as its factorization.

850274317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 850274317 is about 29159.4635924600. The cubic root of 850274317 is about 947.3701288849.

The spelling of 850274317 in words is "eight hundred fifty million, two hundred seventy-four thousand, three hundred seventeen".