211193 has 2 divisors, whose sum is σ = 211194. Its totient is φ = 211192.

The previous prime is 211187. The next prime is 211199. The reversal of 211193 is 391112.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (211187) and next prime (211199).

It can be written as a sum of positive squares in only one way, i.e., 204304 + 6889 = 452^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 211193 - 2⁴ = 211177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211199) 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, 105596 + 105597.

It is an arithmetic number, because the mean of its divisors is an integer number (105597).

2²¹¹¹⁹³ is an apocalyptic number.

It is an amenable number.

211193 is a deficient number, since it is larger than the sum of its proper divisors (1).

211193 is an equidigital number, since it uses as much as digits as its factorization.

211193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 17.

The square root of 211193 is about 459.5573957625. The cubic root of 211193 is about 59.5515641791.

It can be divided in two parts, 211 and 193, that added together give a palindrome (404).

The spelling of 211193 in words is "two hundred eleven thousand, one hundred ninety-three".