65065115 has 4 divisors (see below), whose sum is σ = 78078144. Its totient is φ = 52052088.

The previous prime is 65065087. The next prime is 65065123. The reversal of 65065115 is 51156056.

65065115 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 65065115 - 2¹⁰ = 65064091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 6506507 + ... + 6506516.

It is an arithmetic number, because the mean of its divisors is an integer number (19519536).

Almost surely, 2^65065115 is an apocalyptic number.

65065115 is a deficient number, since it is larger than the sum of its proper divisors (13013029).

65065115 is a wasteful number, since it uses less digits than its factorization.

65065115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013028.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 65065115 is about 8066.2949983248. The cubic root of 65065115 is about 402.2067923626.

The spelling of 65065115 in words is "sixty-five million, sixty-five thousand, one hundred fifteen".