814211 has 2 divisors, whose sum is σ = 814212. Its totient is φ = 814210.

The previous prime is 814199. The next prime is 814213. The reversal of 814211 is 112418.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814211 is a prime.

Together with 814213, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 814211.

It is not a weakly prime, because it can be changed into another prime (814213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407105 + 407106.

It is an arithmetic number, because the mean of its divisors is an integer number (407106).

2⁸¹⁴²¹¹ is an apocalyptic number.

814211 is a deficient number, since it is larger than the sum of its proper divisors (1).

814211 is an equidigital number, since it uses as much as digits as its factorization.

814211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64, while the sum is 17.

The square root of 814211 is about 902.3364117667. The cubic root of 814211 is about 93.3782337815.

Adding to 814211 its reverse (112418), we get a palindrome (926629).

The spelling of 814211 in words is "eight hundred fourteen thousand, two hundred eleven".