5730321 has 4 divisors (see below), whose sum is σ = 7640432. Its totient is φ = 3820212.

The previous prime is 5730317. The next prime is 5730331. The reversal of 5730321 is 1230375.

It is a happy number.

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 not a de Polignac number, because 5730321 - 2² = 5730317 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5730311) 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, 955051 + ... + 955056.

It is an arithmetic number, because the mean of its divisors is an integer number (1910108).

Almost surely, 2^5730321 is an apocalyptic number.

It is an amenable number.

5730321 is a deficient number, since it is larger than the sum of its proper divisors (1910111).

5730321 is a wasteful number, since it uses less digits than its factorization.

5730321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910110.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 5730321 is about 2393.8088896150. The cubic root of 5730321 is about 178.9477808207.

Adding to 5730321 its reverse (1230375), we get a palindrome (6960696).

The spelling of 5730321 in words is "five million, seven hundred thirty thousand, three hundred twenty-one".