6506959 has 2 divisors, whose sum is σ = 6506960. Its totient is φ = 6506958.

The previous prime is 6506939. The next prime is 6506963. The reversal of 6506959 is 9596056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6506959 - 2²¹ = 4409807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6506909) 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 as a sum of consecutive naturals, namely, 3253479 + 3253480.

It is an arithmetic number, because the mean of its divisors is an integer number (3253480).

Almost surely, 2^6506959 is an apocalyptic number.

6506959 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506959 is an equidigital number, since it uses as much as digits as its factorization.

6506959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 6506959 is about 2550.8741638897. The cubic root of 6506959 is about 186.6921354846.

The spelling of 6506959 in words is "six million, five hundred six thousand, nine hundred fifty-nine".