6541983 has 12 divisors (see below), whose sum is σ = 10799568. Its totient is φ = 3738240.

The previous prime is 6541981. The next prime is 6541993. The reversal of 6541983 is 3891456.

It is not a de Polignac number, because 6541983 - 2¹ = 6541981 is a prime.

6541983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51858 + ... + 51983.

It is an arithmetic number, because the mean of its divisors is an integer number (899964).

Almost surely, 2^6541983 is an apocalyptic number.

6541983 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6541983 is a deficient number, since it is larger than the sum of its proper divisors (4257585).

6541983 is a wasteful number, since it uses less digits than its factorization.

6541983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103854 (or 103851 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 6541983 is about 2557.7300483046. The cubic root of 6541983 is about 187.0264959072.

The spelling of 6541983 in words is "six million, five hundred forty-one thousand, nine hundred eighty-three".