6983563 has 4 divisors (see below), whose sum is σ = 7062120. Its totient is φ = 6905008.

The previous prime is 6983531. The next prime is 6983567. The reversal of 6983563 is 3653896.

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 6983563 - 2⁵ = 6983531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6983567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39145 + ... + 39322.

It is an arithmetic number, because the mean of its divisors is an integer number (1765530).

Almost surely, 2^6983563 is an apocalyptic number.

6983563 is a deficient number, since it is larger than the sum of its proper divisors (78557).

6983563 is an equidigital number, since it uses as much as digits as its factorization.

6983563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78556.

The product of its digits is 116640, while the sum is 40.

The square root of 6983563 is about 2642.6431843894. The cubic root of 6983563 is about 191.1432730736.

The spelling of 6983563 in words is "six million, nine hundred eighty-three thousand, five hundred sixty-three".