5211211 has 2 divisors, whose sum is σ = 5211212.
Its totient is φ = 5211210.
The previous prime is 5211209. The next prime is 5211229. The reversal of 5211211 is 1121125.
Adding to 5211211 its reverse (1121125), we get a palindrome (6332336).
5211211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 5211211 - 21 = 5211209 is a prime.
Together with 5211209, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 5211191 and 5211200.
It is not a weakly prime, because it can be changed into another prime (5214211) 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, 2605605 + 2605606.
It is an arithmetic number, because the mean of its divisors is an integer number (2605606).
Almost surely, 25211211 is an apocalyptic number.
5211211 is a deficient number, since it is larger than the sum of its proper divisors (1).
5211211 is an equidigital number, since it uses as much as digits as its factorization.
5211211 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 20, while the sum is 13.
The square root of 5211211 is about 2282.8077010559.
The cubic root of 5211211 is about 173.3722369120.
The spelling of 5211211 in words is "five million, two hundred eleven thousand, two hundred eleven".