4163321 has 4 divisors (see below), whose sum is σ = 4204644. Its totient is φ = 4122000.

The previous prime is 4163297. The next prime is 4163329. The reversal of 4163321 is 1233614.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 1638400 = 1589^2 + 1280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4163321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4163293 and 4163302.

It is not an unprimeable number, because it can be changed into a prime (4163329) 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, 20510 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (1051161).

Almost surely, 2^4163321 is an apocalyptic number.

It is an amenable number.

4163321 is a deficient number, since it is larger than the sum of its proper divisors (41323).

4163321 is a wasteful number, since it uses less digits than its factorization.

4163321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41322.

The product of its digits is 432, while the sum is 20.

The square root of 4163321 is about 2040.4217701250. The cubic root of 4163321 is about 160.8718164928.

Adding to 4163321 its reverse (1233614), we get a palindrome (5396935).

The spelling of 4163321 in words is "four million, one hundred sixty-three thousand, three hundred twenty-one".