5648321 has 4 divisors (see below), whose sum is σ = 6455232. Its totient is φ = 4841412.

The previous prime is 5648297. The next prime is 5648329. The reversal of 5648321 is 1238465.

5648321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1238465 = 5 ⋅247693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5648321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5648329) 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, 403445 + ... + 403458.

It is an arithmetic number, because the mean of its divisors is an integer number (1613808).

Almost surely, 2^5648321 is an apocalyptic number.

It is an amenable number.

5648321 is a deficient number, since it is larger than the sum of its proper divisors (806911).

5648321 is an equidigital number, since it uses as much as digits as its factorization.

5648321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806910.

The product of its digits is 5760, while the sum is 29.

The square root of 5648321 is about 2376.6196582541. The cubic root of 5648321 is about 178.0901050348.

The spelling of 5648321 in words is "five million, six hundred forty-eight thousand, three hundred twenty-one".