6870559 has 2 divisors, whose sum is σ = 6870560. Its totient is φ = 6870558.

The previous prime is 6870553. The next prime is 6870653. The reversal of 6870559 is 9550786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6870559 - 2⁵ = 6870527 is a prime.

6870559 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6870553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3435279 + 3435280.

It is an arithmetic number, because the mean of its divisors is an integer number (3435280).

Almost surely, 2^6870559 is an apocalyptic number.

6870559 is a deficient number, since it is larger than the sum of its proper divisors (1).

6870559 is an equidigital number, since it uses as much as digits as its factorization.

6870559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 6870559 is about 2621.1751181483. The cubic root of 6870559 is about 190.1066714024.

The spelling of 6870559 in words is "six million, eight hundred seventy thousand, five hundred fifty-nine".