6775563 has 4 divisors (see below), whose sum is σ = 9034088. Its totient is φ = 4517040.

The previous prime is 6775541. The next prime is 6775579. The reversal of 6775563 is 3655776.

6775563 is digitally balanced in base 4, 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 not a de Polignac number, because 6775563 - 2⁹ = 6775051 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6775513) 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, 1129258 + ... + 1129263.

It is an arithmetic number, because the mean of its divisors is an integer number (2258522).

Almost surely, 2^6775563 is an apocalyptic number.

6775563 is a deficient number, since it is larger than the sum of its proper divisors (2258525).

6775563 is a wasteful number, since it uses less digits than its factorization.

6775563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258524.

The product of its digits is 132300, while the sum is 39.

The square root of 6775563 is about 2602.9911640265. The cubic root of 6775563 is about 189.2264299991.

The spelling of 6775563 in words is "six million, seven hundred seventy-five thousand, five hundred sixty-three".