5816321 has 8 divisors (see below), whose sum is σ = 6661824. Its totient is φ = 4974480.

The previous prime is 5816303. The next prime is 5816333. The reversal of 5816321 is 1236185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5816321 - 2⁶ = 5816257 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5816341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5711 + ... + 6651.

It is an arithmetic number, because the mean of its divisors is an integer number (832728).

It is a Proth number, since it is equal to 355 ⋅ 2¹⁴ + 1 and 355 < 2¹⁴.

Almost surely, 2^5816321 is an apocalyptic number.

It is an amenable number.

5816321 is a deficient number, since it is larger than the sum of its proper divisors (845503).

5816321 is an equidigital number, since it uses as much as digits as its factorization.

5816321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its digits is 1440, while the sum is 26.

The square root of 5816321 is about 2411.7049985436. The cubic root of 5816321 is about 179.8385486448.

The spelling of 5816321 in words is "five million, eight hundred sixteen thousand, three hundred twenty-one".