6240257 has 2 divisors, whose sum is σ = 6240258. Its totient is φ = 6240256.

The previous prime is 6240251. The next prime is 6240263. The reversal of 6240257 is 7520426.

It is a balanced prime because it is at equal distance from previous prime (6240251) and next prime (6240263).

It can be written as a sum of positive squares in only one way, i.e., 5779216 + 461041 = 2404^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 6240257 - 2⁶ = 6240193 is a prime.

It is not a weakly prime, because it can be changed into another prime (6240251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120128 + 3120129.

It is an arithmetic number, because the mean of its divisors is an integer number (3120129).

Almost surely, 2^6240257 is an apocalyptic number.

It is an amenable number.

6240257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6240257 is an equidigital number, since it uses as much as digits as its factorization.

6240257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 6240257 is about 2498.0506399991. The cubic root of 6240257 is about 184.1058091019.

The spelling of 6240257 in words is "six million, two hundred forty thousand, two hundred fifty-seven".