65309063 has 4 divisors (see below), whose sum is σ = 66135840. Its totient is φ = 64482288.

The previous prime is 65309059. The next prime is 65309071. The reversal of 65309063 is 36090356.

65309063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65309063 - 2² = 65309059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65309003) 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 in 3 ways as a sum of consecutive naturals, for example, 413270 + ... + 413427.

It is an arithmetic number, because the mean of its divisors is an integer number (16533960).

Almost surely, 2^65309063 is an apocalyptic number.

65309063 is a deficient number, since it is larger than the sum of its proper divisors (826777).

65309063 is an equidigital number, since it uses as much as digits as its factorization.

65309063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826776.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 65309063 is about 8081.4022916818. The cubic root of 65309063 is about 402.7088287900.

The spelling of 65309063 in words is "sixty-five million, three hundred nine thousand, sixty-three".