609605611 has 4 divisors (see below), whose sum is σ = 613256112. Its totient is φ = 605955112.

The previous prime is 609605609. The next prime is 609605617. The reversal of 609605611 is 116506906.

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

It is a cyclic number.

It is not a de Polignac number, because 609605611 - 2¹ = 609605609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609605617) 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, 1825000 + ... + 1825333.

It is an arithmetic number, because the mean of its divisors is an integer number (153314028).

Almost surely, 2^609605611 is an apocalyptic number.

609605611 is a deficient number, since it is larger than the sum of its proper divisors (3650501).

609605611 is a wasteful number, since it uses less digits than its factorization.

609605611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650500.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 609605611 is about 24690.1926075922. The cubic root of 609605611 is about 847.9097943645.

The spelling of 609605611 in words is "six hundred nine million, six hundred five thousand, six hundred eleven".