8275257 has 8 divisors (see below), whose sum is σ = 12259680. Its totient is φ = 5516820.

The previous prime is 8275249. The next prime is 8275259. The reversal of 8275257 is 7525728.

It is not a de Polignac number, because 8275257 - 2³ = 8275249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8275259) 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 in 7 ways as a sum of consecutive naturals, for example, 153219 + ... + 153272.

It is an arithmetic number, because the mean of its divisors is an integer number (1532460).

Almost surely, 2^8275257 is an apocalyptic number.

It is an amenable number.

8275257 is a deficient number, since it is larger than the sum of its proper divisors (3984423).

8275257 is a wasteful number, since it uses less digits than its factorization.

8275257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306500 (or 306494 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 8275257 is about 2876.6746427081. The cubic root of 8275257 is about 202.2679921736.

It can be divided in two parts, 827 and 5257, that added together give a square (6084 = 78²).

The spelling of 8275257 in words is "eight million, two hundred seventy-five thousand, two hundred fifty-seven".