8090257 has 16 divisors (see below), whose sum is σ = 9907200. Its totient is φ = 6451920.

The previous prime is 8090239. The next prime is 8090267. The reversal of 8090257 is 7520908.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8090257 is a prime.

It is a Duffinian number.

8090257 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8090267) 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 15 ways as a sum of consecutive naturals, for example, 7332 + ... + 8362.

It is an arithmetic number, because the mean of its divisors is an integer number (619200).

Almost surely, 2^8090257 is an apocalyptic number.

It is an amenable number.

8090257 is a deficient number, since it is larger than the sum of its proper divisors (1816943).

8090257 is a wasteful number, since it uses less digits than its factorization.

8090257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 8090257 is about 2844.3377085009. The cubic root of 8090257 is about 200.7493306781.

The spelling of 8090257 in words is "eight million, ninety thousand, two hundred fifty-seven".