8045257 has 16 divisors (see below), whose sum is σ = 9142848. Its totient is φ = 7015680.

The previous prime is 8045249. The next prime is 8045287. The reversal of 8045257 is 7525408.

It is a cyclic number.

It is not a de Polignac number, because 8045257 - 2³ = 8045249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8045207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34413 + ... + 34645.

It is an arithmetic number, because the mean of its divisors is an integer number (571428).

Almost surely, 2^8045257 is an apocalyptic number.

It is an amenable number.

8045257 is a deficient number, since it is larger than the sum of its proper divisors (1097591).

8045257 is a wasteful number, since it uses less digits than its factorization.

8045257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 8045257 is about 2836.4162247456. The cubic root of 8045257 is about 200.3764327142.

The spelling of 8045257 in words is "eight million, forty-five thousand, two hundred fifty-seven".