6245257 has 2 divisors, whose sum is σ = 6245258. Its totient is φ = 6245256.

The previous prime is 6245251. The next prime is 6245293. The reversal of 6245257 is 7525426.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6245001 + 256 = 2499^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 6245257 - 2³ = 6245249 is a prime.

6245257 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6245251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122628 + 3122629.

It is an arithmetic number, because the mean of its divisors is an integer number (3122629).

Almost surely, 2^6245257 is an apocalyptic number.

It is an amenable number.

6245257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6245257 is an equidigital number, since it uses as much as digits as its factorization.

6245257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 6245257 is about 2499.0512199633. The cubic root of 6245257 is about 184.1549675098.

The spelling of 6245257 in words is "six million, two hundred forty-five thousand, two hundred fifty-seven".