65065530 has 16 divisors (see below), whose sum is σ = 156157344. Its totient is φ = 17350800.

The previous prime is 65065489. The next prime is 65065537. The reversal of 65065530 is 3556056.

65065530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2168851 = 65065530 / (6 + 5 + 0 + 6 + 5 + 5 + 3 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65065537) 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, 1084396 + ... + 1084455.

It is an arithmetic number, because the mean of its divisors is an integer number (9759834).

Almost surely, 2^65065530 is an apocalyptic number.

65065530 is an abundant number, since it is smaller than the sum of its proper divisors (91091814).

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

65065530 is a wasteful number, since it uses less digits than its factorization.

65065530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168861.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 65065530 is about 8066.3207226095. The cubic root of 65065530 is about 402.2076474827.

The spelling of 65065530 in words is "sixty-five million, sixty-five thousand, five hundred thirty".