8255257 has 2 divisors, whose sum is σ = 8255258. Its totient is φ = 8255256.

The previous prime is 8255249. The next prime is 8255287. The reversal of 8255257 is 7525528.

8255257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 549081 = 2776^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 8255257 - 2³ = 8255249 is a prime.

It is not a weakly prime, because it can be changed into another prime (8255287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127628 + 4127629.

It is an arithmetic number, because the mean of its divisors is an integer number (4127629).

Almost surely, 2^8255257 is an apocalyptic number.

It is an amenable number.

8255257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255257 is an equidigital number, since it uses as much as digits as its factorization.

8255257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28000, while the sum is 34.

The square root of 8255257 is about 2873.1963037704. The cubic root of 8255257 is about 202.1049107036.

The spelling of 8255257 in words is "eight million, two hundred fifty-five thousand, two hundred fifty-seven".