65318963 has 2 divisors, whose sum is σ = 65318964. Its totient is φ = 65318962.

The previous prime is 65318923. The next prime is 65318971. The reversal of 65318963 is 36981356.

65318963 is digitally balanced in base 2, 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 not a de Polignac number, because 65318963 - 2¹⁴ = 65302579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65318963.

It is not a weakly prime, because it can be changed into another prime (65318923) 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, 32659481 + 32659482.

It is an arithmetic number, because the mean of its divisors is an integer number (32659482).

Almost surely, 2^65318963 is an apocalyptic number.

65318963 is a deficient number, since it is larger than the sum of its proper divisors (1).

65318963 is an equidigital number, since it uses as much as digits as its factorization.

65318963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 65318963 is about 8082.0147859305. The cubic root of 65318963 is about 402.7291762261.

The spelling of 65318963 in words is "sixty-five million, three hundred eighteen thousand, nine hundred sixty-three".