321067 has 4 divisors (see below), whose sum is σ = 331456. Its totient is φ = 310680.

The previous prime is 321053. The next prime is 321073. The reversal of 321067 is 760123.

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 321067 - 2⁷ = 320939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321007) 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, 5148 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (82864).

2³²¹⁰⁶⁷ is an apocalyptic number.

321067 is a deficient number, since it is larger than the sum of its proper divisors (10389).

321067 is a wasteful number, since it uses less digits than its factorization.

321067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 321067 is about 566.6277437613. The cubic root of 321067 is about 68.4749762078.

The spelling of 321067 in words is "three hundred twenty-one thousand, sixty-seven".