65983 has 2 divisors, whose sum is σ = 65984. Its totient is φ = 65982.

The previous prime is 65981. The next prime is 65993. The reversal of 65983 is 38956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65983 - 2¹ = 65981 is a prime.

Together with 65981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32991 + 32992.

It is an arithmetic number, because the mean of its divisors is an integer number (32992).

2⁶⁵⁹⁸³ is an apocalyptic number.

65983 is a deficient number, since it is larger than the sum of its proper divisors (1).

65983 is an equidigital number, since it uses as much as digits as its factorization.

65983 is an odious number, because the sum of its binary digits is odd.

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

The square root of 65983 is about 256.8715632374. The cubic root of 65983 is about 40.4089301567.

The spelling of 65983 in words is "sixty-five thousand, nine hundred eighty-three".