2775212113 has 2 divisors, whose sum is σ = 2775212114. Its totient is φ = 2775212112.

The previous prime is 2775212081. The next prime is 2775212119. The reversal of 2775212113 is 3112125772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2757090064 + 18122049 = 52508^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 2775212113 - 2⁵ = 2775212081 is a prime.

It is not a weakly prime, because it can be changed into another prime (2775212119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387606056 + 1387606057.

It is an arithmetic number, because the mean of its divisors is an integer number (1387606057).

Almost surely, 2^2775212113 is an apocalyptic number.

It is an amenable number.

2775212113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2775212113 is an equidigital number, since it uses as much as digits as its factorization.

2775212113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 2775212113 is about 52680.2820132922. The cubic root of 2775212113 is about 1405.2881824232.

Adding to 2775212113 its reverse (3112125772), we get a palindrome (5887337885).

The spelling of 2775212113 in words is "two billion, seven hundred seventy-five million, two hundred twelve thousand, one hundred thirteen".