321241 has 4 divisors (see below), whose sum is σ = 335232. Its totient is φ = 307252.

The previous prime is 321239. The next prime is 321247. The reversal of 321241 is 142123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321241 - 2¹ = 321239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6961 + ... + 7006.

It is an arithmetic number, because the mean of its divisors is an integer number (83808).

2³²¹²⁴¹ is an apocalyptic number.

It is an amenable number.

321241 is a deficient number, since it is larger than the sum of its proper divisors (13991).

321241 is a wasteful number, since it uses less digits than its factorization.

321241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13990.

The product of its digits is 48, while the sum is 13.

The square root of 321241 is about 566.7812629225. The cubic root of 321241 is about 68.4873438177.

Adding to 321241 its reverse (142123), we get a palindrome (463364).

The spelling of 321241 in words is "three hundred twenty-one thousand, two hundred forty-one", and thus it is an iban number.