591191059 has 2 divisors, whose sum is σ = 591191060. Its totient is φ = 591191058.

The previous prime is 591191017. The next prime is 591191089. The reversal of 591191059 is 950191195.

591191059 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 591191059 - 2⁹ = 591190547 is a prime.

It is not a weakly prime, because it can be changed into another prime (591191009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295595529 + 295595530.

It is an arithmetic number, because the mean of its divisors is an integer number (295595530).

Almost surely, 2^591191059 is an apocalyptic number.

591191059 is a deficient number, since it is larger than the sum of its proper divisors (1).

591191059 is an equidigital number, since it uses as much as digits as its factorization.

591191059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 40.

The square root of 591191059 is about 24314.4208033011. The cubic root of 591191059 is about 839.2846607408.

The spelling of 591191059 in words is "five hundred ninety-one million, one hundred ninety-one thousand, fifty-nine".