64983 has 4 divisors (see below), whose sum is σ = 86648. Its totient is φ = 43320.

The previous prime is 64969. The next prime is 64997. The reversal of 64983 is 38946.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (64969) and next prime (64997).

It is not a de Polignac number, because 64983 - 2⁵ = 64951 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 64983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64283) 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, 10828 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (21662).

2⁶⁴⁹⁸³ is an apocalyptic number.

64983 is a deficient number, since it is larger than the sum of its proper divisors (21665).

64983 is a wasteful number, since it uses less digits than its factorization.

64983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21664.

The product of its digits is 5184, while the sum is 30.

The square root of 64983 is about 254.9176337565. The cubic root of 64983 is about 40.2037520322.

The spelling of 64983 in words is "sixty-four thousand, nine hundred eighty-three".