6381317 has 2 divisors, whose sum is σ = 6381318. Its totient is φ = 6381316.

The previous prime is 6381313. The next prime is 6381337. The reversal of 6381317 is 7131836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3818116 + 2563201 = 1954^2 + 1601^2 .

It is a cyclic number.

It is not a de Polignac number, because 6381317 - 2² = 6381313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6381317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6381313) 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, 3190658 + 3190659.

It is an arithmetic number, because the mean of its divisors is an integer number (3190659).

Almost surely, 2^6381317 is an apocalyptic number.

It is an amenable number.

6381317 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381317 is an equidigital number, since it uses as much as digits as its factorization.

6381317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 6381317 is about 2526.1268772570. The cubic root of 6381317 is about 185.4827130841.

The spelling of 6381317 in words is "six million, three hundred eighty-one thousand, three hundred seventeen".