8250257 has 2 divisors, whose sum is σ = 8250258. Its totient is φ = 8250256.

The previous prime is 8250251. The next prime is 8250259. The reversal of 8250257 is 7520528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7447441 + 802816 = 2729^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 8250257 - 2¹⁴ = 8233873 is a prime.

Together with 8250259, 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 (8250251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125128 + 4125129.

It is an arithmetic number, because the mean of its divisors is an integer number (4125129).

Almost surely, 2^8250257 is an apocalyptic number.

It is an amenable number.

8250257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8250257 is an equidigital number, since it uses as much as digits as its factorization.

8250257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 8250257 is about 2872.3260608782. The cubic root of 8250257 is about 202.0640991885.

The spelling of 8250257 in words is "eight million, two hundred fifty thousand, two hundred fifty-seven".