65289 has 8 divisors (see below), whose sum is σ = 99520. Its totient is φ = 37296.

The previous prime is 65287. The next prime is 65293. The reversal of 65289 is 98256.

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

It is not a de Polignac number, because 65289 - 2¹ = 65287 is a prime.

It is a Duffinian number.

It is a Curzon number.

65289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (65287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (12440).

2⁶⁵²⁸⁹ is an apocalyptic number.

It is an amenable number.

65289 is a deficient number, since it is larger than the sum of its proper divisors (34231).

65289 is a wasteful number, since it uses less digits than its factorization.

65289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119.

The product of its digits is 4320, while the sum is 30.

The square root of 65289 is about 255.5171227139. The cubic root of 65289 is about 40.2667587068.

It can be divided in two parts, 652 and 89, that added together give a triangular number (741 = T₃₈).

The spelling of 65289 in words is "sixty-five thousand, two hundred eighty-nine".