2605344211 has 2 divisors, whose sum is σ = 2605344212. Its totient is φ = 2605344210.

The previous prime is 2605344199. The next prime is 2605344229. The reversal of 2605344211 is 1124435062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2605344211 - 2⁷ = 2605344083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2605344211.

It is not a weakly prime, because it can be changed into another prime (2605344271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302672105 + 1302672106.

It is an arithmetic number, because the mean of its divisors is an integer number (1302672106).

Almost surely, 2^2605344211 is an apocalyptic number.

2605344211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605344211 is an equidigital number, since it uses as much as digits as its factorization.

2605344211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2605344211 is about 51042.5725350907. The cubic root of 2605344211 is about 1376.0103579633.

Adding to 2605344211 its reverse (1124435062), we get a palindrome (3729779273).

The spelling of 2605344211 in words is "two billion, six hundred five million, three hundred forty-four thousand, two hundred eleven".