2685959 has 2 divisors, whose sum is σ = 2685960. Its totient is φ = 2685958.

The previous prime is 2685937. The next prime is 2685961. The reversal of 2685959 is 9595862.

2685959 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 is a cyclic number.

It is not a de Polignac number, because 2685959 - 2⁸ = 2685703 is a prime.

Together with 2685961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685929) 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, 1342979 + 1342980.

It is an arithmetic number, because the mean of its divisors is an integer number (1342980).

2^2685959 is an apocalyptic number.

2685959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685959 is an equidigital number, since it uses as much as digits as its factorization.

2685959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 2685959 is about 1638.8895630884. The cubic root of 2685959 is about 139.0058655634.

Subtracting 2685959 from its reverse (9595862), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2685959 in words is "two million, six hundred eighty-five thousand, nine hundred fifty-nine".