65106563 has 2 divisors, whose sum is σ = 65106564. Its totient is φ = 65106562.

The previous prime is 65106557. The next prime is 65106571. The reversal of 65106563 is 36560156.

65106563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65106563 - 2⁶ = 65106499 is a prime.

It is not a weakly prime, because it can be changed into another prime (65106533) 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 as a sum of consecutive naturals, namely, 32553281 + 32553282.

It is an arithmetic number, because the mean of its divisors is an integer number (32553282).

Almost surely, 2^65106563 is an apocalyptic number.

65106563 is a deficient number, since it is larger than the sum of its proper divisors (1).

65106563 is an equidigital number, since it uses as much as digits as its factorization.

65106563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 65106563 is about 8068.8637985778. The cubic root of 65106563 is about 402.2921792785.

The spelling of 65106563 in words is "sixty-five million, one hundred six thousand, five hundred sixty-three".