5871805 has 4 divisors (see below), whose sum is σ = 7046172. Its totient is φ = 4697440.

The previous prime is 5871797. The next prime is 5871823. The reversal of 5871805 is 5081785.

5871805 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5081785 = 5 ⋅1016357.

It can be written as a sum of positive squares in 2 ways, for example, as 755161 + 5116644 = 869^2 + 2262^2 .

It is not a de Polignac number, because 5871805 - 2³ = 5871797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 587176 + ... + 587185.

It is an arithmetic number, because the mean of its divisors is an integer number (1761543).

Almost surely, 2^5871805 is an apocalyptic number.

It is an amenable number.

5871805 is a deficient number, since it is larger than the sum of its proper divisors (1174367).

5871805 is a wasteful number, since it uses less digits than its factorization.

5871805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174366.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 5871805 is about 2423.1807609008. The cubic root of 5871805 is about 180.4085882903.

The spelling of 5871805 in words is "five million, eight hundred seventy-one thousand, eight hundred five".