2688017 has 2 divisors, whose sum is σ = 2688018. Its totient is φ = 2688016.

The previous prime is 2687999. The next prime is 2688019. The reversal of 2688017 is 7108862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2163841 + 524176 = 1471^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688017 - 2⁶ = 2687953 is a prime.

Together with 2688019, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2688019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344008 + 1344009.

It is an arithmetic number, because the mean of its divisors is an integer number (1344009).

2^2688017 is an apocalyptic number.

It is an amenable number.

2688017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688017 is an equidigital number, since it uses as much as digits as its factorization.

2688017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2688017 is about 1639.5173070145. The cubic root of 2688017 is about 139.0413589122.

The spelling of 2688017 in words is "two million, six hundred eighty-eight thousand, seventeen".