8255971 has 4 divisors (see below), whose sum is σ = 8262072. Its totient is φ = 8249872.

The previous prime is 8255963. The next prime is 8255977. The reversal of 8255971 is 1795528.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8255971 - 2³ = 8255963 is a prime.

It is a super-2 number, since 2×8255971² = 136322114305682, which contains 22 as substring.

It is a Duffinian number.

8255971 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8255971.

It is not an unprimeable number, because it can be changed into a prime (8255977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10 + ... + 4063.

It is an arithmetic number, because the mean of its divisors is an integer number (2065518).

Almost surely, 2^8255971 is an apocalyptic number.

8255971 is a deficient number, since it is larger than the sum of its proper divisors (6101).

8255971 is a wasteful number, since it uses less digits than its factorization.

8255971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100.

The product of its digits is 25200, while the sum is 37.

The square root of 8255971 is about 2873.3205529491. The cubic root of 8255971 is about 202.1107372433.

The spelling of 8255971 in words is "eight million, two hundred fifty-five thousand, nine hundred seventy-one".