867211 has 2 divisors, whose sum is σ = 867212. Its totient is φ = 867210.

The previous prime is 867203. The next prime is 867227. The reversal of 867211 is 112768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867211 - 2³ = 867203 is a prime.

It is not a weakly prime, because it can be changed into another prime (867271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433605 + 433606.

It is an arithmetic number, because the mean of its divisors is an integer number (433606).

2⁸⁶⁷²¹¹ is an apocalyptic number.

867211 is a deficient number, since it is larger than the sum of its proper divisors (1).

867211 is an equidigital number, since it uses as much as digits as its factorization.

867211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 25.

The square root of 867211 is about 931.2416442578. The cubic root of 867211 is about 95.3619067149.

Adding to 867211 its reverse (112768), we get a palindrome (979979).

The spelling of 867211 in words is "eight hundred sixty-seven thousand, two hundred eleven".