65258065 has 16 divisors (see below), whose sum is σ = 83174400. Its totient is φ = 49012992.

The previous prime is 65258021. The next prime is 65258077. The reversal of 65258065 is 56085256.

65258065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65258065 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 7696 + ... + 13774.

It is an arithmetic number, because the mean of its divisors is an integer number (5198400).

Almost surely, 2^65258065 is an apocalyptic number.

It is an amenable number.

65258065 is a deficient number, since it is larger than the sum of its proper divisors (17916335).

65258065 is a wasteful number, since it uses less digits than its factorization.

65258065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 65258065 is about 8078.2464062444. The cubic root of 65258065 is about 402.6039801829.

The spelling of 65258065 in words is "sixty-five million, two hundred fifty-eight thousand, sixty-five".