5606609 has 4 divisors (see below), whose sum is σ = 5614260. Its totient is φ = 5598960.

The previous prime is 5606603. The next prime is 5606621. The reversal of 5606609 is 9066065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2265025 + 3341584 = 1505^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 5606609 - 2⁸ = 5606353 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 (5606603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2594 + ... + 4235.

It is an arithmetic number, because the mean of its divisors is an integer number (1403565).

Almost surely, 2^5606609 is an apocalyptic number.

It is an amenable number.

5606609 is a deficient number, since it is larger than the sum of its proper divisors (7651).

5606609 is an equidigital number, since it uses as much as digits as its factorization.

5606609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7650.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 5606609 is about 2367.8279075980. The cubic root of 5606609 is about 177.6506319029.

The spelling of 5606609 in words is "five million, six hundred six thousand, six hundred nine".