8265791 has 4 divisors (see below), whose sum is σ = 8752032. Its totient is φ = 7779552.

The previous prime is 8265787. The next prime is 8265793. The reversal of 8265791 is 1975628.

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

It is a cyclic number.

It is not a de Polignac number, because 8265791 - 2² = 8265787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8265793) 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 3 ways as a sum of consecutive naturals, for example, 243095 + ... + 243128.

It is an arithmetic number, because the mean of its divisors is an integer number (2188008).

Almost surely, 2^8265791 is an apocalyptic number.

8265791 is a deficient number, since it is larger than the sum of its proper divisors (486241).

8265791 is a wasteful number, since it uses less digits than its factorization.

8265791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486240.

The product of its digits is 30240, while the sum is 38.

The square root of 8265791 is about 2875.0288694203. The cubic root of 8265791 is about 202.1908385038.

The spelling of 8265791 in words is "eight million, two hundred sixty-five thousand, seven hundred ninety-one".