705559 has 2 divisors, whose sum is σ = 705560. Its totient is φ = 705558.

The previous prime is 705533. The next prime is 705613. The reversal of 705559 is 955507.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 705559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352779 + 352780.

It is an arithmetic number, because the mean of its divisors is an integer number (352780).

2⁷⁰⁵⁵⁵⁹ is an apocalyptic number.

705559 is a deficient number, since it is larger than the sum of its proper divisors (1).

705559 is an equidigital number, since it uses as much as digits as its factorization.

705559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 31.

The square root of 705559 is about 839.9755948836. The cubic root of 705559 is about 89.0248215917.

The spelling of 705559 in words is "seven hundred five thousand, five hundred fifty-nine".