4563539 has 4 divisors (see below), whose sum is σ = 4575960. Its totient is φ = 4551120.

The previous prime is 4563529. The next prime is 4563551. The reversal of 4563539 is 9353654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9353654 = 2 ⋅4676827.

It is a cyclic number.

It is not a de Polignac number, because 4563539 - 2⁴ = 4563523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4563499 and 4563508.

It is not an unprimeable number, because it can be changed into a prime (4563529) 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, 5642 + ... + 6399.

It is an arithmetic number, because the mean of its divisors is an integer number (1143990).

Almost surely, 2^4563539 is an apocalyptic number.

4563539 is a deficient number, since it is larger than the sum of its proper divisors (12421).

4563539 is a wasteful number, since it uses less digits than its factorization.

4563539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12420.

The product of its digits is 48600, while the sum is 35.

The square root of 4563539 is about 2136.2441339884. The cubic root of 4563539 is about 165.8697749655.

The spelling of 4563539 in words is "four million, five hundred sixty-three thousand, five hundred thirty-nine".