4053321 has 20 divisors (see below), whose sum is σ = 6111952. Its totient is φ = 2676888.

The previous prime is 4053317. The next prime is 4053323. The reversal of 4053321 is 1233504.

It is not a de Polignac number, because 4053321 - 2² = 4053317 is a prime.

It is a super-2 number, since 2×4053321² = 32858822258082, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4053294 and 4053303.

It is not an unprimeable number, because it can be changed into a prime (4053323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13050 + ... + 13356.

Almost surely, 2^4053321 is an apocalyptic number.

It is an amenable number.

4053321 is a deficient number, since it is larger than the sum of its proper divisors (2058631).

4053321 is a wasteful number, since it uses less digits than its factorization.

4053321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 4053321 is about 2013.2861197555. The cubic root of 4053321 is about 159.4423424753.

Adding to 4053321 its reverse (1233504), we get a palindrome (5286825).

It can be divided in two parts, 40 and 53321, that added together give a square (53361 = 231²).

The spelling of 4053321 in words is "four million, fifty-three thousand, three hundred twenty-one".