8275321 has 4 divisors (see below), whose sum is σ = 8411044. Its totient is φ = 8139600.

The previous prime is 8275303. The next prime is 8275343. The reversal of 8275321 is 1235728.

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 657721 + 7617600 = 811^2 + 2760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8275321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8275321.

It is not an unprimeable number, because it can be changed into a prime (8275301) 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, 67770 + ... + 67891.

It is an arithmetic number, because the mean of its divisors is an integer number (2102761).

Almost surely, 2^8275321 is an apocalyptic number.

It is an amenable number.

8275321 is a deficient number, since it is larger than the sum of its proper divisors (135723).

8275321 is a wasteful number, since it uses less digits than its factorization.

8275321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135722.

The product of its digits is 3360, while the sum is 28.

The square root of 8275321 is about 2876.6857666419. The cubic root of 8275321 is about 202.2685136123.

The spelling of 8275321 in words is "eight million, two hundred seventy-five thousand, three hundred twenty-one".