65493 has 12 divisors (see below), whose sum is σ = 99840. Its totient is φ = 41256.

The previous prime is 65479. The next prime is 65497. The reversal of 65493 is 39456.

It is a happy number.

65493 is a `hidden beast` number, since 654 + 9 + 3 = 666.

It is not a de Polignac number, because 65493 - 2¹³ = 57301 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 6² + 5³ + 4⁶ + 9⁵ + 3⁷ .

Its product of digits (3240) is a multiple of the sum of its prime divisors (405).

It is a Curzon number.

65493 is a lucky number.

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65497) 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 11 ways as a sum of consecutive naturals, for example, 21 + ... + 362.

It is an arithmetic number, because the mean of its divisors is an integer number (8320).

2⁶⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

65493 is a deficient number, since it is larger than the sum of its proper divisors (34347).

65493 is a wasteful number, since it uses less digits than its factorization.

65493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 65493 is about 255.9160018444. The cubic root of 65493 is about 40.3086538606.

It can be divided in two parts, 654 and 93, that added together give a palindrome (747).

The spelling of 65493 in words is "sixty-five thousand, four hundred ninety-three".