2881117 has 2 divisors, whose sum is σ = 2881118. Its totient is φ = 2881116.

The previous prime is 2881097. The next prime is 2881127. The reversal of 2881117 is 7111882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1999396 + 881721 = 1414^2 + 939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2881117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2881127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1440558 + 1440559.

It is an arithmetic number, because the mean of its divisors is an integer number (1440559).

2^2881117 is an apocalyptic number.

It is an amenable number.

2881117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881117 is an equidigital number, since it uses as much as digits as its factorization.

2881117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 28.

The square root of 2881117 is about 1697.3853422249. The cubic root of 2881117 is about 142.2941235513.

Adding to 2881117 its reverse (7111882), we get a palindrome (9992999).

The spelling of 2881117 in words is "two million, eight hundred eighty-one thousand, one hundred seventeen".