5871811 has 4 divisors (see below), whose sum is σ = 6405624. Its totient is φ = 5338000.

The previous prime is 5871797. The next prime is 5871823. The reversal of 5871811 is 1181785.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5871811 - 2¹¹ = 5869763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5871841) 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, 266890 + ... + 266911.

It is an arithmetic number, because the mean of its divisors is an integer number (1601406).

Almost surely, 2^5871811 is an apocalyptic number.

5871811 is a deficient number, since it is larger than the sum of its proper divisors (533813).

5871811 is a wasteful number, since it uses less digits than its factorization.

5871811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533812.

The product of its digits is 2240, while the sum is 31.

The square root of 5871811 is about 2423.1819989427. The cubic root of 5871811 is about 180.4086497394.

The spelling of 5871811 in words is "five million, eight hundred seventy-one thousand, eight hundred eleven".