6885539 has 2 divisors, whose sum is σ = 6885540. Its totient is φ = 6885538.

The previous prime is 6885517. The next prime is 6885551. The reversal of 6885539 is 9355886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6885539 - 2¹² = 6881443 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6885539.

It is not a weakly prime, because it can be changed into another prime (6885139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442769 + 3442770.

It is an arithmetic number, because the mean of its divisors is an integer number (3442770).

Almost surely, 2^6885539 is an apocalyptic number.

6885539 is a deficient number, since it is larger than the sum of its proper divisors (1).

6885539 is an equidigital number, since it uses as much as digits as its factorization.

6885539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 44.

The square root of 6885539 is about 2624.0310592674. The cubic root of 6885539 is about 190.2447354104.

The spelling of 6885539 in words is "six million, eight hundred eighty-five thousand, five hundred thirty-nine".