2066563 has 2 divisors, whose sum is σ = 2066564. Its totient is φ = 2066562.

The previous prime is 2066551. The next prime is 2066579. The reversal of 2066563 is 3656602.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2066563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2066963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033281 + 1033282.

It is an arithmetic number, because the mean of its divisors is an integer number (1033282).

2^2066563 is an apocalyptic number.

2066563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066563 is an equidigital number, since it uses as much as digits as its factorization.

2066563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 2066563 is about 1437.5545207052. The cubic root of 2066563 is about 127.3746146560.

The spelling of 2066563 in words is "two million, sixty-six thousand, five hundred sixty-three".