4538543 has 2 divisors, whose sum is σ = 4538544. Its totient is φ = 4538542.

The previous prime is 4538537. The next prime is 4538557. The reversal of 4538543 is 3458354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4538543 - 2¹² = 4534447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4538503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269271 + 2269272.

It is an arithmetic number, because the mean of its divisors is an integer number (2269272).

Almost surely, 2^4538543 is an apocalyptic number.

4538543 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538543 is an equidigital number, since it uses as much as digits as its factorization.

4538543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 32.

The square root of 4538543 is about 2130.3856458397. The cubic root of 4538543 is about 165.5663793019.

The spelling of 4538543 in words is "four million, five hundred thirty-eight thousand, five hundred forty-three".