4523609 has 8 divisors (see below), whose sum is σ = 4667520. Its totient is φ = 4381776.

The previous prime is 4523599. The next prime is 4523621. The reversal of 4523609 is 9063254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4523609 - 2⁴ = 4523593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4523669) 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, 4682 + ... + 5564.

It is an arithmetic number, because the mean of its divisors is an integer number (583440).

Almost surely, 2^4523609 is an apocalyptic number.

It is an amenable number.

4523609 is a deficient number, since it is larger than the sum of its proper divisors (143911).

4523609 is a wasteful number, since it uses less digits than its factorization.

4523609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 4523609 is about 2126.8777585936. The cubic root of 4523609 is about 165.3845819528.

The spelling of 4523609 in words is "four million, five hundred twenty-three thousand, six hundred nine".