211150193 has 2 divisors, whose sum is σ = 211150194. Its totient is φ = 211150192.

The previous prime is 211150187. The next prime is 211150201. The reversal of 211150193 is 391051112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210598144 + 552049 = 14512^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 211150193 - 2⁸ = 211149937 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (211150153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105575096 + 105575097.

It is an arithmetic number, because the mean of its divisors is an integer number (105575097).

Almost surely, 2^211150193 is an apocalyptic number.

It is an amenable number.

211150193 is a deficient number, since it is larger than the sum of its proper divisors (1).

211150193 is an equidigital number, since it uses as much as digits as its factorization.

211150193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 211150193 is about 14531.0079829308. The cubic root of 211150193 is about 595.4754037774.

The spelling of 211150193 in words is "two hundred eleven million, one hundred fifty thousand, one hundred ninety-three".