6315428257 has 2 divisors, whose sum is σ = 6315428258. Its totient is φ = 6315428256.

The previous prime is 6315428227. The next prime is 6315428321. The reversal of 6315428257 is 7528245136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4878184336 + 1437243921 = 69844^2 + 37911^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6315428257 is a prime.

It is not a weakly prime, because it can be changed into another prime (6315428227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157714128 + 3157714129.

It is an arithmetic number, because the mean of its divisors is an integer number (3157714129).

Almost surely, 2^6315428257 is an apocalyptic number.

It is an amenable number.

6315428257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315428257 is an equidigital number, since it uses as much as digits as its factorization.

6315428257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 6315428257 is about 79469.6687862734. The cubic root of 6315428257 is about 1848.4211761905.

The spelling of 6315428257 in words is "six billion, three hundred fifteen million, four hundred twenty-eight thousand, two hundred fifty-seven".