634211 has 2 divisors, whose sum is σ = 634212. Its totient is φ = 634210.

The previous prime is 634199. The next prime is 634223. The reversal of 634211 is 112436.

It is a balanced prime because it is at equal distance from previous prime (634199) and next prime (634223).

It is a cyclic number.

It is not a de Polignac number, because 634211 - 2¹⁰ = 633187 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634211.

It is not a weakly prime, because it can be changed into another prime (634241) 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, 317105 + 317106.

It is an arithmetic number, because the mean of its divisors is an integer number (317106).

2⁶³⁴²¹¹ is an apocalyptic number.

634211 is a deficient number, since it is larger than the sum of its proper divisors (1).

634211 is an equidigital number, since it uses as much as digits as its factorization.

634211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 17.

The square root of 634211 is about 796.3736560183. The cubic root of 634211 is about 85.9167664141.

Adding to 634211 its reverse (112436), we get a palindrome (746647).

The spelling of 634211 in words is "six hundred thirty-four thousand, two hundred eleven".