6382506257 has 2 divisors, whose sum is σ = 6382506258. Its totient is φ = 6382506256.

The previous prime is 6382506149. The next prime is 6382506259. The reversal of 6382506257 is 7526052836.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5351068801 + 1031437456 = 73151^2 + 32116^2 .

It is a cyclic number.

It is not a de Polignac number, because 6382506257 - 2⁸ = 6382506001 is a prime.

It is a super-2 number, since 2×6382506257² = 81472772241288300098, which contains 22 as substring.

Together with 6382506259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6382506259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3191253128 + 3191253129.

It is an arithmetic number, because the mean of its divisors is an integer number (3191253129).

Almost surely, 2^6382506257 is an apocalyptic number.

It is an amenable number.

6382506257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6382506257 is an equidigital number, since it uses as much as digits as its factorization.

6382506257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The square root of 6382506257 is about 79890.5892893525. The cubic root of 6382506257 is about 1854.9423489129.

The spelling of 6382506257 in words is "six billion, three hundred eighty-two million, five hundred six thousand, two hundred fifty-seven".