543131 has 2 divisors, whose sum is σ = 543132. Its totient is φ = 543130.

The previous prime is 543113. The next prime is 543139. The reversal of 543131 is 131345.

Together with previous prime (543113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-543131 is a prime.

It is a super-2 number, since 2×543131² = 589982566322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (543139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271565 + 271566.

It is an arithmetic number, because the mean of its divisors is an integer number (271566).

2⁵⁴³¹³¹ is an apocalyptic number.

543131 is a deficient number, since it is larger than the sum of its proper divisors (1).

543131 is an equidigital number, since it uses as much as digits as its factorization.

543131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 17.

The square root of 543131 is about 736.9742193591. The cubic root of 543131 is about 81.5896112463.

Adding to 543131 its reverse (131345), we get a palindrome (674476).

The spelling of 543131 in words is "five hundred forty-three thousand, one hundred thirty-one".