2691163 has 2 divisors, whose sum is σ = 2691164. Its totient is φ = 2691162.

The previous prime is 2691149. The next prime is 2691187. The reversal of 2691163 is 3611962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2691163 - 2⁵ = 2691131 is a prime.

It is not a weakly prime, because it can be changed into another prime (2691193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345581 + 1345582.

It is an arithmetic number, because the mean of its divisors is an integer number (1345582).

2^2691163 is an apocalyptic number.

2691163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691163 is an equidigital number, since it uses as much as digits as its factorization.

2691163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 2691163 is about 1640.4764551800. The cubic root of 2691163 is about 139.0955814828.

The spelling of 2691163 in words is "two million, six hundred ninety-one thousand, one hundred sixty-three".