65063191 has 2 divisors, whose sum is σ = 65063192. Its totient is φ = 65063190.

The previous prime is 65063179. The next prime is 65063197. The reversal of 65063191 is 19136056.

65063191 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 a de Polignac number, because none of the positive numbers 2^k-65063191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65063197) 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, 32531595 + 32531596.

It is an arithmetic number, because the mean of its divisors is an integer number (32531596).

Almost surely, 2^65063191 is an apocalyptic number.

65063191 is a deficient number, since it is larger than the sum of its proper divisors (1).

65063191 is an equidigital number, since it uses as much as digits as its factorization.

65063191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 65063191 is about 8066.1757357499. The cubic root of 65063191 is about 402.2028278546.

The spelling of 65063191 in words is "sixty-five million, sixty-three thousand, one hundred ninety-one".