41543231 has 2 divisors, whose sum is σ = 41543232. Its totient is φ = 41543230.

The previous prime is 41543197. The next prime is 41543233. The reversal of 41543231 is 13234514.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41543231 is a prime.

It is a super-2 number, since 2×41543231² = 3451680083838722, which contains 22 as substring.

Together with 41543233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 41543197 and 41543206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41543233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20771615 + 20771616.

It is an arithmetic number, because the mean of its divisors is an integer number (20771616).

Almost surely, 2^41543231 is an apocalyptic number.

41543231 is a deficient number, since it is larger than the sum of its proper divisors (1).

41543231 is an equidigital number, since it uses as much as digits as its factorization.

41543231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 41543231 is about 6445.4038663221. The cubic root of 41543231 is about 346.3379565155.

Adding to 41543231 its reverse (13234514), we get a palindrome (54777745).

The spelling of 41543231 in words is "forty-one million, five hundred forty-three thousand, two hundred thirty-one".