6503713 has 2 divisors, whose sum is σ = 6503714. Its totient is φ = 6503712.

The previous prime is 6503711. The next prime is 6503737. The reversal of 6503713 is 3173056.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 36864 = 2543^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 6503713 - 2¹ = 6503711 is a prime.

Together with 6503711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6503711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3251856 + 3251857.

It is an arithmetic number, because the mean of its divisors is an integer number (3251857).

Almost surely, 2^6503713 is an apocalyptic number.

It is an amenable number.

6503713 is a deficient number, since it is larger than the sum of its proper divisors (1).

6503713 is an equidigital number, since it uses as much as digits as its factorization.

6503713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 6503713 is about 2550.2378320463. The cubic root of 6503713 is about 186.6610864970.

Adding to 6503713 its reverse (3173056), we get a palindrome (9676769).

The spelling of 6503713 in words is "six million, five hundred three thousand, seven hundred thirteen".