5611609 has 8 divisors (see below), whose sum is σ = 5883840. Its totient is φ = 5341776.

The previous prime is 5611603. The next prime is 5611621. The reversal of 5611609 is 9061165.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5611609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5611603) 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, 5734 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (735480).

Almost surely, 2^5611609 is an apocalyptic number.

It is an amenable number.

5611609 is a deficient number, since it is larger than the sum of its proper divisors (272231).

5611609 is a wasteful number, since it uses less digits than its factorization.

5611609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 5611609 is about 2368.8834922807. The cubic root of 5611609 is about 177.7034260988.

The spelling of 5611609 in words is "five million, six hundred eleven thousand, six hundred nine".