6505667 has 4 divisors (see below), whose sum is σ = 7435056. Its totient is φ = 5576280.

The previous prime is 6505663. The next prime is 6505699. The reversal of 6505667 is 7665056.

6505667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6505667 - 2² = 6505663 is a prime.

It is a super-2 number, since 2×6505667² = 84647406229778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6505663) 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, 464684 + ... + 464697.

It is an arithmetic number, because the mean of its divisors is an integer number (1858764).

Almost surely, 2^6505667 is an apocalyptic number.

6505667 is a deficient number, since it is larger than the sum of its proper divisors (929389).

6505667 is an equidigital number, since it uses as much as digits as its factorization.

6505667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929388.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 6505667 is about 2550.6209047995. The cubic root of 6505667 is about 186.6797783449.

The spelling of 6505667 in words is "six million, five hundred five thousand, six hundred sixty-seven".