4262321 has 4 divisors (see below), whose sum is σ = 4871232. Its totient is φ = 3653412.

The previous prime is 4262311. The next prime is 4262329. The reversal of 4262321 is 1232624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-4262321 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 = 4262293 and 4262302.

It is not an unprimeable number, because it can be changed into a prime (4262329) 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, 304445 + ... + 304458.

It is an arithmetic number, because the mean of its divisors is an integer number (1217808).

Almost surely, 2^4262321 is an apocalyptic number.

It is an amenable number.

4262321 is a deficient number, since it is larger than the sum of its proper divisors (608911).

4262321 is an equidigital number, since it uses as much as digits as its factorization.

4262321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608910.

The product of its digits is 576, while the sum is 20.

The square root of 4262321 is about 2064.5389315777. The cubic root of 4262321 is about 162.1369694630.

Adding to 4262321 its reverse (1232624), we get a palindrome (5494945).

The spelling of 4262321 in words is "four million, two hundred sixty-two thousand, three hundred twenty-one".