6505043 has 2 divisors, whose sum is σ = 6505044. Its totient is φ = 6505042.

The previous prime is 6505027. The next prime is 6505063. The reversal of 6505043 is 3405056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6505043 - 2⁴ = 6505027 is a prime.

It is not a weakly prime, because it can be changed into another prime (6505003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252521 + 3252522.

It is an arithmetic number, because the mean of its divisors is an integer number (3252522).

Almost surely, 2^6505043 is an apocalyptic number.

6505043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6505043 is an equidigital number, since it uses as much as digits as its factorization.

6505043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 6505043 is about 2550.4985787097. The cubic root of 6505043 is about 186.6738096048.

The spelling of 6505043 in words is "six million, five hundred five thousand, forty-three".