4506543 has 8 divisors (see below), whose sum is σ = 6676400. Its totient is φ = 3004344.

The previous prime is 4506539. The next prime is 4506569. The reversal of 4506543 is 3456054.

4506543 is a `hidden beast` number, since 4 + 5 + 0 + 654 + 3 = 666.

It is not a de Polignac number, because 4506543 - 2² = 4506539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 166909 = 4506543 / (4 + 5 + 0 + 6 + 5 + 4 + 3).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4506503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83428 + ... + 83481.

It is an arithmetic number, because the mean of its divisors is an integer number (834550).

Almost surely, 2^4506543 is an apocalyptic number.

4506543 is a deficient number, since it is larger than the sum of its proper divisors (2169857).

4506543 is a wasteful number, since it uses less digits than its factorization.

4506543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166918 (or 166912 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 4506543 is about 2122.8619832669. The cubic root of 4506543 is about 165.1763403983.

The spelling of 4506543 in words is "four million, five hundred six thousand, five hundred forty-three".