5905591 has 4 divisors (see below), whose sum is σ = 5918400. Its totient is φ = 5892784.

The previous prime is 5905573. The next prime is 5905609. The reversal of 5905591 is 1955095.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1955095 = 5 ⋅391019.

It is an interprime number because it is at equal distance from previous prime (5905573) and next prime (5905609).

It is a cyclic number.

It is not a de Polignac number, because 5905591 - 2⁷ = 5905463 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 (5905091) 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, 5686 + ... + 6643.

It is an arithmetic number, because the mean of its divisors is an integer number (1479600).

Almost surely, 2^5905591 is an apocalyptic number.

5905591 is a deficient number, since it is larger than the sum of its proper divisors (12809).

5905591 is a wasteful number, since it uses less digits than its factorization.

5905591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 5905591 is about 2430.1421769106. The cubic root of 5905591 is about 180.7539466689.

The spelling of 5905591 in words is "five million, nine hundred five thousand, five hundred ninety-one".