6996563 has 6 divisors (see below), whose sum is σ = 8138916. Its totient is φ = 5997012.

The previous prime is 6996559. The next prime is 6996611. The reversal of 6996563 is 3656996.

It is not a de Polignac number, because 6996563 - 2² = 6996559 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6996523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71345 + ... + 71442.

It is an arithmetic number, because the mean of its divisors is an integer number (1356486).

Almost surely, 2^6996563 is an apocalyptic number.

6996563 is a deficient number, since it is larger than the sum of its proper divisors (1142353).

6996563 is a wasteful number, since it uses less digits than its factorization.

6996563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142801 (or 142794 counting only the distinct ones).

The product of its digits is 262440, while the sum is 44.

The square root of 6996563 is about 2645.1016993681. The cubic root of 6996563 is about 191.2618048447.

The spelling of 6996563 in words is "six million, nine hundred ninety-six thousand, five hundred sixty-three".