2918117 has 2 divisors, whose sum is σ = 2918118. Its totient is φ = 2918116.

The previous prime is 2918107. The next prime is 2918119. The reversal of 2918117 is 7118192.

2918117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2719201 + 198916 = 1649^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2918117 - 2⁸ = 2917861 is a prime.

Together with 2918119, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2918117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2918119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459058 + 1459059.

It is an arithmetic number, because the mean of its divisors is an integer number (1459059).

2^2918117 is an apocalyptic number.

It is an amenable number.

2918117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918117 is an equidigital number, since it uses as much as digits as its factorization.

2918117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 29.

The square root of 2918117 is about 1708.2496890092. The cubic root of 2918117 is about 142.9006596474.

The spelling of 2918117 in words is "two million, nine hundred eighteen thousand, one hundred seventeen".