65289289 has 8 divisors (see below), whose sum is σ = 71361920. Its totient is φ = 59366736.

The previous prime is 65289283. The next prime is 65289293. The reversal of 65289289 is 98298256.

65289289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 65289289 - 2¹¹ = 65287241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65289283) 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, 36609 + ... + 38350.

It is an arithmetic number, because the mean of its divisors is an integer number (8920240).

Almost surely, 2^65289289 is an apocalyptic number.

It is an amenable number.

65289289 is a deficient number, since it is larger than the sum of its proper divisors (6072631).

65289289 is a wasteful number, since it uses less digits than its factorization.

65289289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75039.

The product of its digits is 622080, while the sum is 49.

The square root of 65289289 is about 8080.1787727748. The cubic root of 65289289 is about 402.6681811992.

The spelling of 65289289 in words is "sixty-five million, two hundred eighty-nine thousand, two hundred eighty-nine".