8042563 has 2 divisors, whose sum is σ = 8042564. Its totient is φ = 8042562.

The previous prime is 8042543. The next prime is 8042569. The reversal of 8042563 is 3652408.

8042563 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8042563 is a prime.

It is not a weakly prime, because it can be changed into another prime (8042569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4021281 + 4021282.

It is an arithmetic number, because the mean of its divisors is an integer number (4021282).

Almost surely, 2^8042563 is an apocalyptic number.

8042563 is a deficient number, since it is larger than the sum of its proper divisors (1).

8042563 is an equidigital number, since it uses as much as digits as its factorization.

8042563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 8042563 is about 2835.9412899424. The cubic root of 8042563 is about 200.3540644885.

The spelling of 8042563 in words is "eight million, forty-two thousand, five hundred sixty-three".