2656211 has 2 divisors, whose sum is σ = 2656212. Its totient is φ = 2656210.

The previous prime is 2656207. The next prime is 2656229. The reversal of 2656211 is 1126562.

2656211 is digitally balanced in base 2, 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 2656211 - 2² = 2656207 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2656261) 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, 1328105 + 1328106.

It is an arithmetic number, because the mean of its divisors is an integer number (1328106).

2^2656211 is an apocalyptic number.

2656211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656211 is an equidigital number, since it uses as much as digits as its factorization.

2656211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 2656211 is about 1629.7886366029. The cubic root of 2656211 is about 138.4907786221.

The spelling of 2656211 in words is "two million, six hundred fifty-six thousand, two hundred eleven".