4305321 has 12 divisors (see below), whose sum is σ = 6304948. Its totient is φ = 2830464.

The previous prime is 4305307. The next prime is 4305337. The reversal of 4305321 is 1235034.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 2359296 = 1395^2 + 1536^2 .

It is not a de Polignac number, because 4305321 - 2¹⁴ = 4288937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4305294 and 4305303.

It is not an unprimeable number, because it can be changed into a prime (4305361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620 + ... + 3933.

Almost surely, 2^4305321 is an apocalyptic number.

It is an amenable number.

4305321 is a deficient number, since it is larger than the sum of its proper divisors (1999627).

4305321 is a wasteful number, since it uses less digits than its factorization.

4305321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632 (or 6629 counting only the distinct ones).

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

The square root of 4305321 is about 2074.9267456949. The cubic root of 4305321 is about 162.6803803684.

The spelling of 4305321 in words is "four million, three hundred five thousand, three hundred twenty-one".