4342543 has 4 divisors (see below), whose sum is σ = 4348960. Its totient is φ = 4336128.

The previous prime is 4342523. The next prime is 4342549. The reversal of 4342543 is 3452434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3452434 = 2 ⋅1726217.

It is a cyclic number.

It is not a de Polignac number, because 4342543 - 2⁹ = 4342031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4342549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055 + ... + 3592.

It is an arithmetic number, because the mean of its divisors is an integer number (1087240).

Almost surely, 2^4342543 is an apocalyptic number.

4342543 is a deficient number, since it is larger than the sum of its proper divisors (6417).

4342543 is an equidigital number, since it uses as much as digits as its factorization.

4342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416.

The product of its digits is 5760, while the sum is 25.

The square root of 4342543 is about 2083.8769157510. The cubic root of 4342543 is about 163.1478578579.

Adding to 4342543 its reverse (3452434), we get a palindrome (7794977).

It can be divided in two parts, 4342 and 543, that multiplied together give a triangular number (2357706 = T₂₁₇₁).

The spelling of 4342543 in words is "four million, three hundred forty-two thousand, five hundred forty-three".