4556549 has 4 divisors (see below), whose sum is σ = 4560864. Its totient is φ = 4552236.

The previous prime is 4556521. The next prime is 4556557. The reversal of 4556549 is 9456554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4556549 - 2¹⁶ = 4491013 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 (4556579) 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, 614 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (1140216).

Almost surely, 2^4556549 is an apocalyptic number.

It is an amenable number.

4556549 is a deficient number, since it is larger than the sum of its proper divisors (4315).

4556549 is a wasteful number, since it uses less digits than its factorization.

4556549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314.

The product of its digits is 108000, while the sum is 38.

The square root of 4556549 is about 2134.6074580587. The cubic root of 4556549 is about 165.7850437806.

The spelling of 4556549 in words is "four million, five hundred fifty-six thousand, five hundred forty-nine".