6655317 has 4 divisors (see below), whose sum is σ = 8873760. Its totient is φ = 4436876.

The previous prime is 6655309. The next prime is 6655321. The reversal of 6655317 is 7135566.

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 a cyclic number.

It is not a de Polignac number, because 6655317 - 2³ = 6655309 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655307) 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, 1109217 + ... + 1109222.

It is an arithmetic number, because the mean of its divisors is an integer number (2218440).

Almost surely, 2^6655317 is an apocalyptic number.

It is an amenable number.

6655317 is a deficient number, since it is larger than the sum of its proper divisors (2218443).

6655317 is a wasteful number, since it uses less digits than its factorization.

6655317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218442.

The product of its digits is 18900, while the sum is 33.

The square root of 6655317 is about 2579.7901077413. The cubic root of 6655317 is about 188.1003406566.

Subtracting 6655317 from its reverse (7135566), we obtain a square (480249 = 693²).

The spelling of 6655317 in words is "six million, six hundred fifty-five thousand, three hundred seventeen".