5121211 has 2 divisors, whose sum is σ = 5121212. Its totient is φ = 5121210.

The previous prime is 5121209. The next prime is 5121223. The reversal of 5121211 is 1121215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5121211 - 2¹ = 5121209 is a prime.

Together with 5121209, it forms a pair of twin primes.

It is a Chen prime.

5121211 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5121191 and 5121200.

It is not a weakly prime, because it can be changed into another prime (5121251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560605 + 2560606.

It is an arithmetic number, because the mean of its divisors is an integer number (2560606).

Almost surely, 2^5121211 is an apocalyptic number.

5121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121211 is an equidigital number, since it uses as much as digits as its factorization.

5121211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20, while the sum is 13.

The square root of 5121211 is about 2263.0092796982. The cubic root of 5121211 is about 172.3683627793.

Adding to 5121211 its reverse (1121215), we get a palindrome (6242426).

The spelling of 5121211 in words is "five million, one hundred twenty-one thousand, two hundred eleven".