8241321 has 8 divisors (see below), whose sum is σ = 11987424. Its totient is φ = 4994720.

The previous prime is 8241313. The next prime is 8241329. The reversal of 8241321 is 1231428.

8241321 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8241313) and next prime (8241329).

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 8241321 - 2³ = 8241313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8241329) 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, 124836 + ... + 124901.

It is an arithmetic number, because the mean of its divisors is an integer number (1498428).

Almost surely, 2^8241321 is an apocalyptic number.

It is an amenable number.

8241321 is a deficient number, since it is larger than the sum of its proper divisors (3746103).

8241321 is a wasteful number, since it uses less digits than its factorization.

8241321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249751.

The product of its digits is 384, while the sum is 21.

The square root of 8241321 is about 2870.7701057382. The cubic root of 8241321 is about 201.9911197612.

Adding to 8241321 its reverse (1231428), we get a palindrome (9472749).

It can be divided in two parts, 824 and 1321, that added together give a triangular number (2145 = T₆₅).

The spelling of 8241321 in words is "eight million, two hundred forty-one thousand, three hundred twenty-one".