806131 has 4 divisors (see below), whose sum is σ = 808992. Its totient is φ = 803272.

The previous prime is 806129. The next prime is 806137. The reversal of 806131 is 131608.

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 806131 - 2¹ = 806129 is a prime.

It is a super-3 number, since 3×806131³ = 1571585893336638273, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 806099 and 806108.

It is not an unprimeable number, because it can be changed into a prime (806137) 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, 955 + ... + 1588.

It is an arithmetic number, because the mean of its divisors is an integer number (202248).

2⁸⁰⁶¹³¹ is an apocalyptic number.

806131 is a deficient number, since it is larger than the sum of its proper divisors (2861).

806131 is a wasteful number, since it uses less digits than its factorization.

806131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 806131 is about 897.8479826786. The cubic root of 806131 is about 93.0683199374.

Adding to 806131 its reverse (131608), we get a palindrome (937739).

The spelling of 806131 in words is "eight hundred six thousand, one hundred thirty-one".