65432 has 8 divisors (see below), whose sum is σ = 122700. Its totient is φ = 32712.

The previous prime is 65423. The next prime is 65437. The reversal of 65432 is 23456.

65432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is a straight-line number, since its digits are in arithmetic progression.

It is a nialpdrome in base 10 and base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65432.

It is not an unprimeable number, because it can be changed into a prime (65437) by changing a digit.

65432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4082 + ... + 4097.

2⁶⁵⁴³² is an apocalyptic number.

It is an amenable number.

65432 is a deficient number, since it is larger than the sum of its proper divisors (57268).

65432 is a wasteful number, since it uses less digits than its factorization.

65432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185 (or 8181 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 65432 is about 255.7967943505. The cubic root of 65432 is about 40.2961355168.

Adding to 65432 its reverse (23456), we get a palindrome (88888).

It can be divided in two parts, 654 and 32, that added together give a palindrome (686).

The spelling of 65432 in words is "sixty-five thousand, four hundred thirty-two".