65115244 has 24 divisors (see below), whose sum is σ = 117044928. Its totient is φ = 31679760.

The previous prime is 65115229. The next prime is 65115247. The reversal of 65115244 is 44251156.

65115244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65115247) 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 7 ways as a sum of consecutive naturals, for example, 59139 + ... + 60229.

It is an arithmetic number, because the mean of its divisors is an integer number (4876872).

Almost surely, 2^65115244 is an apocalyptic number.

It is an amenable number.

65115244 is a deficient number, since it is larger than the sum of its proper divisors (51929684).

65115244 is a wasteful number, since it uses less digits than its factorization.

65115244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1483 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 65115244 is about 8069.4017126426. The cubic root of 65115244 is about 402.3100583936.

The spelling of 65115244 in words is "sixty-five million, one hundred fifteen thousand, two hundred forty-four".