6533983 has 2 divisors, whose sum is σ = 6533984. Its totient is φ = 6533982.

The previous prime is 6533981. The next prime is 6534013. The reversal of 6533983 is 3893356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6533983 - 2¹ = 6533981 is a prime.

Together with 6533981, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6533981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3266991 + 3266992.

It is an arithmetic number, because the mean of its divisors is an integer number (3266992).

Almost surely, 2^6533983 is an apocalyptic number.

6533983 is a deficient number, since it is larger than the sum of its proper divisors (1).

6533983 is an equidigital number, since it uses as much as digits as its factorization.

6533983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The square root of 6533983 is about 2556.1656832060. The cubic root of 6533983 is about 186.9502283966.

The spelling of 6533983 in words is "six million, five hundred thirty-three thousand, nine hundred eighty-three".