6577609 has 4 divisors (see below), whose sum is σ = 6863616. Its totient is φ = 6291604.

The previous prime is 6577607. The next prime is 6577621. The reversal of 6577609 is 9067756.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6577609 - 2¹ = 6577607 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6577607) 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, 142969 + ... + 143014.

It is an arithmetic number, because the mean of its divisors is an integer number (1715904).

Almost surely, 2^6577609 is an apocalyptic number.

It is an amenable number.

6577609 is a deficient number, since it is larger than the sum of its proper divisors (286007).

6577609 is a wasteful number, since it uses less digits than its factorization.

6577609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286006.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 6577609 is about 2564.6849709077. The cubic root of 6577609 is about 187.3653812973.

The spelling of 6577609 in words is "six million, five hundred seventy-seven thousand, six hundred nine".