2685017 has 2 divisors, whose sum is σ = 2685018. Its totient is φ = 2685016.

The previous prime is 2684999. The next prime is 2685019. The reversal of 2685017 is 7105862.

2685017 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., 2343961 + 341056 = 1531^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685017 - 2⁶ = 2684953 is a prime.

Together with 2685019, 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 (2685019) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342508 + 1342509.

It is an arithmetic number, because the mean of its divisors is an integer number (1342509).

2^2685017 is an apocalyptic number.

It is an amenable number.

2685017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685017 is an equidigital number, since it uses as much as digits as its factorization.

2685017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2685017 is about 1638.6021481739. The cubic root of 2685017 is about 138.9896132880.

The spelling of 2685017 in words is "two million, six hundred eighty-five thousand, seventeen".