5609309 has 8 divisors (see below), whose sum is σ = 5978880. Its totient is φ = 5250256.

The previous prime is 5609293. The next prime is 5609321. The reversal of 5609309 is 9039065.

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

It is not a de Polignac number, because 5609309 - 2⁴ = 5609293 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 (5609369) 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, 1514 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (747360).

Almost surely, 2^5609309 is an apocalyptic number.

It is an amenable number.

5609309 is a deficient number, since it is larger than the sum of its proper divisors (369571).

5609309 is a wasteful number, since it uses less digits than its factorization.

5609309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 5609309 is about 2368.3979817590. The cubic root of 5609309 is about 177.6791446653.

The spelling of 5609309 in words is "five million, six hundred nine thousand, three hundred nine".