5709321 has 12 divisors (see below), whose sum is σ = 8347248. Its totient is φ = 3759864.

The previous prime is 5709307. The next prime is 5709349. The reversal of 5709321 is 1239075.

5709321 is a `hidden beast` number, since 570 + 93 + 2 + 1 = 666.

It is not a de Polignac number, because 5709321 - 2⁵ = 5709289 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5709421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3075 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (695604).

Almost surely, 2^5709321 is an apocalyptic number.

It is an amenable number.

5709321 is a deficient number, since it is larger than the sum of its proper divisors (2637927).

5709321 is a wasteful number, since it uses less digits than its factorization.

5709321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732 (or 7729 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 5709321 is about 2389.4185485176. The cubic root of 5709321 is about 178.7289156346.

The spelling of 5709321 in words is "five million, seven hundred nine thousand, three hundred twenty-one".