4531543 has 2 divisors, whose sum is σ = 4531544. Its totient is φ = 4531542.

The previous prime is 4531517. The next prime is 4531547. The reversal of 4531543 is 3451354.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4531543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4531547) 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 as a sum of consecutive naturals, namely, 2265771 + 2265772.

It is an arithmetic number, because the mean of its divisors is an integer number (2265772).

Almost surely, 2^4531543 is an apocalyptic number.

4531543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4531543 is an equidigital number, since it uses as much as digits as its factorization.

4531543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 4531543 is about 2128.7421168380. The cubic root of 4531543 is about 165.4812153328.

Adding to 4531543 its reverse (3451354), we get a palindrome (7982897).

The spelling of 4531543 in words is "four million, five hundred thirty-one thousand, five hundred forty-three".