596591 has 4 divisors (see below), whose sum is σ = 611184. Its totient is φ = 582000.

The previous prime is 596587. The next prime is 596593. The reversal of 596591 is 195695.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 195695 = 5 ⋅39139.

It is a cyclic number.

It is not a de Polignac number, because 596591 - 2² = 596587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (596593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7235 + ... + 7316.

It is an arithmetic number, because the mean of its divisors is an integer number (152796).

2⁵⁹⁶⁵⁹¹ is an apocalyptic number.

596591 is a deficient number, since it is larger than the sum of its proper divisors (14593).

596591 is a wasteful number, since it uses less digits than its factorization.

596591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14592.

The product of its digits is 12150, while the sum is 35.

The square root of 596591 is about 772.3930346656. The cubic root of 596591 is about 84.1832262726.

The spelling of 596591 in words is "five hundred ninety-six thousand, five hundred ninety-one".