5729321 has 4 divisors (see below), whose sum is σ = 6170052. Its totient is φ = 5288592.

The previous prime is 5729263. The next prime is 5729329. The reversal of 5729321 is 1239275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 3667225 = 1436^2 + 1915^2 .

It is a cyclic number.

It is not a de Polignac number, because 5729321 - 2¹⁰ = 5728297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5729329) 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, 220346 + ... + 220371.

It is an arithmetic number, because the mean of its divisors is an integer number (1542513).

Almost surely, 2^5729321 is an apocalyptic number.

It is an amenable number.

5729321 is a deficient number, since it is larger than the sum of its proper divisors (440731).

5729321 is a wasteful number, since it uses less digits than its factorization.

5729321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440730.

The product of its digits is 3780, while the sum is 29.

The square root of 5729321 is about 2393.6000083556. The cubic root of 5729321 is about 178.9373708052.

The spelling of 5729321 in words is "five million, seven hundred twenty-nine thousand, three hundred twenty-one".