5805691 has 2 divisors, whose sum is σ = 5805692. Its totient is φ = 5805690.

The previous prime is 5805689. The next prime is 5805719. The reversal of 5805691 is 1965085.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5805691 - 2¹ = 5805689 is a prime.

Together with 5805689, it forms a pair of twin primes.

It is the 2410-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (5805671) by changing a digit.

It is a nontrivial repunit in base 2409.

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 as a sum of consecutive naturals, namely, 2902845 + 2902846.

It is an arithmetic number, because the mean of its divisors is an integer number (2902846).

Almost surely, 2^5805691 is an apocalyptic number.

5805691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5805691 is an equidigital number, since it uses as much as digits as its factorization.

5805691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5805691 is about 2409.5001556339. The cubic root of 5805691 is about 179.7289232439.

Subtracting from 5805691 its reverse (1965085), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5805691 in words is "five million, eight hundred five thousand, six hundred ninety-one".