8245321 has 8 divisors (see below), whose sum is σ = 9466560. Its totient is φ = 7034928.

The previous prime is 8245319. The next prime is 8245343. The reversal of 8245321 is 1235428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8245321 - 2¹ = 8245319 is a prime.

It is a d-powerful number, because it can be written as 8 + 2 + 4¹¹ + 5⁹ + 3⁶ + 2²¹ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8245421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (1183320).

Almost surely, 2^8245321 is an apocalyptic number.

It is an amenable number.

8245321 is a deficient number, since it is larger than the sum of its proper divisors (1221239).

8245321 is a wasteful number, since it uses less digits than its factorization.

8245321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423.

The product of its digits is 1920, while the sum is 25.

The square root of 8245321 is about 2871.4666983965. The cubic root of 8245321 is about 202.0237938838.

The spelling of 8245321 in words is "eight million, two hundred forty-five thousand, three hundred twenty-one".