5606659 has 4 divisors (see below), whose sum is σ = 5622304. Its totient is φ = 5591016.

The previous prime is 5606621. The next prime is 5606681. The reversal of 5606659 is 9566065.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9566065 = 5 ⋅1913213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5606659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5606759) 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, 7272 + ... + 8005.

It is an arithmetic number, because the mean of its divisors is an integer number (1405576).

Almost surely, 2^5606659 is an apocalyptic number.

5606659 is a deficient number, since it is larger than the sum of its proper divisors (15645).

5606659 is a wasteful number, since it uses less digits than its factorization.

5606659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 5606659 is about 2367.8384657742. The cubic root of 5606659 is about 177.6511600002.

The spelling of 5606659 in words is "five million, six hundred six thousand, six hundred fifty-nine".