6920563 has 8 divisors (see below), whose sum is σ = 7484400. Its totient is φ = 6361248.

The previous prime is 6920521. The next prime is 6920569. The reversal of 6920563 is 3650296.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6920563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6920569) 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 7 ways as a sum of consecutive naturals, for example, 2508 + ... + 4486.

It is an arithmetic number, because the mean of its divisors is an integer number (935550).

Almost surely, 2^6920563 is an apocalyptic number.

6920563 is a deficient number, since it is larger than the sum of its proper divisors (563837).

6920563 is a wasteful number, since it uses less digits than its factorization.

6920563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 6920563 is about 2630.6962956601. The cubic root of 6920563 is about 190.5667564782.

The spelling of 6920563 in words is "six million, nine hundred twenty thousand, five hundred sixty-three".