321063 has 4 divisors (see below), whose sum is σ = 428088. Its totient is φ = 214040.

The previous prime is 321053. The next prime is 321073. The reversal of 321063 is 360123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360123 = 3 ⋅120041.

It is an interprime number because it is at equal distance from previous prime (321053) and next prime (321073).

It is a cyclic number.

It is not a de Polignac number, because 321063 - 2⁴ = 321047 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321053) 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, 53508 + ... + 53513.

It is an arithmetic number, because the mean of its divisors is an integer number (107022).

2³²¹⁰⁶³ is an apocalyptic number.

321063 is a deficient number, since it is larger than the sum of its proper divisors (107025).

321063 is a wasteful number, since it uses less digits than its factorization.

321063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107024.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 321063 is about 566.6242140961. The cubic root of 321063 is about 68.4746918424.

Adding to 321063 its reverse (360123), we get a palindrome (681186).

Subtracting 321063 from its reverse (360123), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 321063 in words is "three hundred twenty-one thousand, sixty-three".