4549543 has 4 divisors (see below), whose sum is σ = 4569640. Its totient is φ = 4529448.

The previous prime is 4549537. The next prime is 4549547. The reversal of 4549543 is 3459454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3459454 = 2 ⋅1729727.

It is a cyclic number.

It is not a de Polignac number, because 4549543 - 2⁵ = 4549511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4549499 and 4549508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4549547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9705 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (1142410).

Almost surely, 2^4549543 is an apocalyptic number.

4549543 is a deficient number, since it is larger than the sum of its proper divisors (20097).

4549543 is a wasteful number, since it uses less digits than its factorization.

4549543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20096.

The product of its digits is 43200, while the sum is 34.

The square root of 4549543 is about 2132.9657756279. The cubic root of 4549543 is about 165.7000316501.

The spelling of 4549543 in words is "four million, five hundred forty-nine thousand, five hundred forty-three".