6605225065 has 8 divisors (see below), whose sum is σ = 7936690248. Its totient is φ = 5277233280.

The previous prime is 6605225027. The next prime is 6605225111. The reversal of 6605225065 is 5605225066.

6605225065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 647855209 + 5957369856 = 25453^2 + 77184^2 .

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

It is not a de Polignac number, because 6605225065 - 2⁷ = 6605224937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864162 + ... + 871771.

It is an arithmetic number, because the mean of its divisors is an integer number (992086281).

Almost surely, 2^6605225065 is an apocalyptic number.

It is an amenable number.

6605225065 is a deficient number, since it is larger than the sum of its proper divisors (1331465183).

6605225065 is a wasteful number, since it uses less digits than its factorization.

6605225065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736699.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 6605225065 is about 81272.5357362498. The cubic root of 6605225065 is about 1876.2723277833.

Subtracting from 6605225065 its reverse (5605225066), we obtain a palindrome (999999999).

The spelling of 6605225065 in words is "six billion, six hundred five million, two hundred twenty-five thousand, sixty-five".