670559 has 2 divisors, whose sum is σ = 670560. Its totient is φ = 670558.

The previous prime is 670543. The next prime is 670577. The reversal of 670559 is 955076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670559 - 2⁴ = 670543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675559) 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, 335279 + 335280.

It is an arithmetic number, because the mean of its divisors is an integer number (335280).

2⁶⁷⁰⁵⁵⁹ is an apocalyptic number.

670559 is a deficient number, since it is larger than the sum of its proper divisors (1).

670559 is an equidigital number, since it uses as much as digits as its factorization.

670559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 670559 is about 818.8766695907. The cubic root of 670559 is about 87.5277299866.

The spelling of 670559 in words is "six hundred seventy thousand, five hundred fifty-nine".