385975211 has 2 divisors, whose sum is σ = 385975212. Its totient is φ = 385975210.

The previous prime is 385975207. The next prime is 385975279. The reversal of 385975211 is 112579583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385975211 - 2² = 385975207 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (385972211) 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, 192987605 + 192987606.

It is an arithmetic number, because the mean of its divisors is an integer number (192987606).

Almost surely, 2^385975211 is an apocalyptic number.

385975211 is a deficient number, since it is larger than the sum of its proper divisors (1).

385975211 is an equidigital number, since it uses as much as digits as its factorization.

385975211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 41.

The square root of 385975211 is about 19646.2518308200. The cubic root of 385975211 is about 728.0923552226.

The spelling of 385975211 in words is "three hundred eighty-five million, nine hundred seventy-five thousand, two hundred eleven".