385001171 has 2 divisors, whose sum is σ = 385001172. Its totient is φ = 385001170.

The previous prime is 385001167. The next prime is 385001203. The reversal of 385001171 is 171100583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385001171 - 2² = 385001167 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385001171.

It is not a weakly prime, because it can be changed into another prime (385001101) 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, 192500585 + 192500586.

It is an arithmetic number, because the mean of its divisors is an integer number (192500586).

Almost surely, 2^385001171 is an apocalyptic number.

385001171 is a deficient number, since it is larger than the sum of its proper divisors (1).

385001171 is an equidigital number, since it uses as much as digits as its factorization.

385001171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 385001171 is about 19621.4467101690. The cubic root of 385001171 is about 727.4793724347.

The spelling of 385001171 in words is "three hundred eighty-five million, one thousand, one hundred seventy-one".