591959 has 2 divisors, whose sum is σ = 591960. Its totient is φ = 591958.

The previous prime is 591937. The next prime is 591973. The reversal of 591959 is 959195.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 591959 - 2¹² = 587863 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 591959.

It is not a weakly prime, because it can be changed into another prime (591259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295979 + 295980.

It is an arithmetic number, because the mean of its divisors is an integer number (295980).

2⁵⁹¹⁹⁵⁹ is an apocalyptic number.

591959 is a deficient number, since it is larger than the sum of its proper divisors (1).

591959 is an equidigital number, since it uses as much as digits as its factorization.

591959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18225, while the sum is 38.

The square root of 591959 is about 769.3887183992. The cubic root of 591959 is about 83.9647906103.

Subtracting 591959 from its reverse (959195), we obtain a square (367236 = 606²).

The spelling of 591959 in words is "five hundred ninety-one thousand, nine hundred fifty-nine".