659975059 has 2 divisors, whose sum is σ = 659975060. Its totient is φ = 659975058.

The previous prime is 659974993. The next prime is 659975083. The reversal of 659975059 is 950579956.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 659975059 - 2¹¹ = 659973011 is a prime.

It is not a weakly prime, because it can be changed into another prime (659975159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329987529 + 329987530.

It is an arithmetic number, because the mean of its divisors is an integer number (329987530).

Almost surely, 2^659975059 is an apocalyptic number.

659975059 is a deficient number, since it is larger than the sum of its proper divisors (1).

659975059 is an equidigital number, since it uses as much as digits as its factorization.

659975059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3827250, while the sum is 55.

The square root of 659975059 is about 25689.9797391901. The cubic root of 659975059 is about 870.6478017568.

The spelling of 659975059 in words is "six hundred fifty-nine million, nine hundred seventy-five thousand, fifty-nine".