5809591 has 4 divisors (see below), whose sum is σ = 5863000. Its totient is φ = 5756184.

The previous prime is 5809589. The next prime is 5809607. The reversal of 5809591 is 1959085.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1959085 = 5 ⋅391817.

It is a cyclic number.

It is not a de Polignac number, because 5809591 - 2¹ = 5809589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5809591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5809511) 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 in 3 ways as a sum of consecutive naturals, for example, 26541 + ... + 26758.

It is an arithmetic number, because the mean of its divisors is an integer number (1465750).

Almost surely, 2^5809591 is an apocalyptic number.

5809591 is a deficient number, since it is larger than the sum of its proper divisors (53409).

5809591 is a wasteful number, since it uses less digits than its factorization.

5809591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53408.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 5809591 is about 2410.3093162497. The cubic root of 5809591 is about 179.7691588166.

It can be divided in two parts, 5809 and 591, that added together give a square (6400 = 80²).

The spelling of 5809591 in words is "five million, eight hundred nine thousand, five hundred ninety-one".