5624321 has 4 divisors (see below), whose sum is σ = 5633712. Its totient is φ = 5614932.

The previous prime is 5624317. The next prime is 5624327. The reversal of 5624321 is 1234265.

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 cyclic number.

It is not a de Polignac number, because 5624321 - 2² = 5624317 is a prime.

It is a super-2 number, since 2×5624321² = 63265973422082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5624327) 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, 3731 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (1408428).

Almost surely, 2^5624321 is an apocalyptic number.

It is an amenable number.

5624321 is a deficient number, since it is larger than the sum of its proper divisors (9391).

5624321 is an equidigital number, since it uses as much as digits as its factorization.

5624321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390.

The product of its digits is 1440, while the sum is 23.

The square root of 5624321 is about 2371.5650950375. The cubic root of 5624321 is about 177.8375089942.

Adding to 5624321 its reverse (1234265), we get a palindrome (6858586).

The spelling of 5624321 in words is "five million, six hundred twenty-four thousand, three hundred twenty-one".