8256497 has 4 divisors (see below), whose sum is σ = 8270580. Its totient is φ = 8242416.

The previous prime is 8256491. The next prime is 8256511. The reversal of 8256497 is 7946528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1825201 + 6431296 = 1351^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 8256497 - 2⁶ = 8256433 is a prime.

It is a super-2 number, since 2×8256497² = 136339485422018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8256491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6122 + ... + 7347.

It is an arithmetic number, because the mean of its divisors is an integer number (2067645).

Almost surely, 2^8256497 is an apocalyptic number.

It is an amenable number.

8256497 is a deficient number, since it is larger than the sum of its proper divisors (14083).

8256497 is a wasteful number, since it uses less digits than its factorization.

8256497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14082.

The product of its digits is 120960, while the sum is 41.

The square root of 8256497 is about 2873.4120832209. The cubic root of 8256497 is about 202.1150294091.

The spelling of 8256497 in words is "eight million, two hundred fifty-six thousand, four hundred ninety-seven".