5731811 has 2 divisors, whose sum is σ = 5731812. Its totient is φ = 5731810.

The previous prime is 5731801. The next prime is 5731823. The reversal of 5731811 is 1181375.

5731811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5731811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5731801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2865905 + 2865906.

It is an arithmetic number, because the mean of its divisors is an integer number (2865906).

Almost surely, 2^5731811 is an apocalyptic number.

5731811 is a deficient number, since it is larger than the sum of its proper divisors (1).

5731811 is an equidigital number, since it uses as much as digits as its factorization.

5731811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 26.

The square root of 5731811 is about 2394.1200888844. The cubic root of 5731811 is about 178.9632894974.

The spelling of 5731811 in words is "five million, seven hundred thirty-one thousand, eight hundred eleven".