65797512 has 32 divisors (see below), whose sum is σ = 179448480. Its totient is φ = 19938560.

The previous prime is 65797483. The next prime is 65797517. The reversal of 65797512 is 21579756.

It is not an unprimeable number, because it can be changed into a prime (65797517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124353 + ... + 124880.

It is an arithmetic number, because the mean of its divisors is an integer number (5607765).

Almost surely, 2^65797512 is an apocalyptic number.

It is an amenable number.

65797512 is an abundant number, since it is smaller than the sum of its proper divisors (113650968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65797512 is a wasteful number, since it uses less digits than its factorization.

65797512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249253 (or 249249 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 65797512 is about 8111.5665564674. The cubic root of 65797512 is about 403.7102945423.

The spelling of 65797512 in words is "sixty-five million, seven hundred ninety-seven thousand, five hundred twelve".