65389 has 4 divisors (see below), whose sum is σ = 68256. Its totient is φ = 62524.

The previous prime is 65381. The next prime is 65393. The reversal of 65389 is 98356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65389 - 2³ = 65381 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 65389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65381) 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 3 ways as a sum of consecutive naturals, for example, 1399 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (17064).

2⁶⁵³⁸⁹ is an apocalyptic number.

It is an amenable number.

65389 is a deficient number, since it is larger than the sum of its proper divisors (2867).

65389 is a wasteful number, since it uses less digits than its factorization.

65389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866.

The product of its digits is 6480, while the sum is 31.

The square root of 65389 is about 255.7127294446. The cubic root of 65389 is about 40.2873064345.

It can be divided in two parts, 65 and 389, that added together give a palindrome (454).

The spelling of 65389 in words is "sixty-five thousand, three hundred eighty-nine".