6506329 has 2 divisors, whose sum is σ = 6506330. Its totient is φ = 6506328.

The previous prime is 6506327. The next prime is 6506347. The reversal of 6506329 is 9236056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 3168400 = 1827^2 + 1780^2 .

It is a cyclic number.

It is not a de Polignac number, because 6506329 - 2¹ = 6506327 is a prime.

Together with 6506327, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6506329.

It is not a weakly prime, because it can be changed into another prime (6506323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3253164 + 3253165.

It is an arithmetic number, because the mean of its divisors is an integer number (3253165).

Almost surely, 2^6506329 is an apocalyptic number.

It is an amenable number.

6506329 is a deficient number, since it is larger than the sum of its proper divisors (1).

6506329 is an equidigital number, since it uses as much as digits as its factorization.

6506329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 6506329 is about 2550.7506738213. The cubic root of 6506329 is about 186.6861101487.

The spelling of 6506329 in words is "six million, five hundred six thousand, three hundred twenty-nine".