5721211 has 2 divisors, whose sum is σ = 5721212. Its totient is φ = 5721210.

The previous prime is 5721203. The next prime is 5721241. The reversal of 5721211 is 1121275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5721211 - 2³ = 5721203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5721241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860605 + 2860606.

It is an arithmetic number, because the mean of its divisors is an integer number (2860606).

Almost surely, 2^5721211 is an apocalyptic number.

5721211 is a deficient number, since it is larger than the sum of its proper divisors (1).

5721211 is an equidigital number, since it uses as much as digits as its factorization.

5721211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 140, while the sum is 19.

The square root of 5721211 is about 2391.9053074902. The cubic root of 5721211 is about 178.8529007988.

Adding to 5721211 its reverse (1121275), we get a palindrome (6842486).

The spelling of 5721211 in words is "five million, seven hundred twenty-one thousand, two hundred eleven".