5231811 has 16 divisors (see below), whose sum is σ = 7567616. Its totient is φ = 3195936.

The previous prime is 5231797. The next prime is 5231827. The reversal of 5231811 is 1181325.

It is not a de Polignac number, because 5231811 - 2¹⁵ = 5199043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231881) 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 15 ways as a sum of consecutive naturals, for example, 5946 + ... + 6768.

It is an arithmetic number, because the mean of its divisors is an integer number (472976).

Almost surely, 2^5231811 is an apocalyptic number.

5231811 is a deficient number, since it is larger than the sum of its proper divisors (2335805).

5231811 is a wasteful number, since it uses less digits than its factorization.

5231811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002.

The product of its digits is 240, while the sum is 21.

The square root of 5231811 is about 2287.3152384400. The cubic root of 5231811 is about 173.6003842892.

The spelling of 5231811 in words is "five million, two hundred thirty-one thousand, eight hundred eleven".