4554509 has 4 divisors (see below), whose sum is σ = 4794240. Its totient is φ = 4314780.

The previous prime is 4554499. The next prime is 4554523. The reversal of 4554509 is 9054554.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 4554509 - 2⁴ = 4554493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4554559) 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, 119837 + ... + 119874.

It is an arithmetic number, because the mean of its divisors is an integer number (1198560).

Almost surely, 2^4554509 is an apocalyptic number.

It is an amenable number.

4554509 is a deficient number, since it is larger than the sum of its proper divisors (239731).

4554509 is a wasteful number, since it uses less digits than its factorization.

4554509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239730.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 4554509 is about 2134.1295649515. The cubic root of 4554509 is about 165.7602990324.

The spelling of 4554509 in words is "four million, five hundred fifty-four thousand, five hundred nine".