5207321 has 8 divisors (see below), whose sum is σ = 6301440. Its totient is φ = 4200768.

The previous prime is 5207291. The next prime is 5207329. The reversal of 5207321 is 1237025.

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

It is not a de Polignac number, because 5207321 - 2¹⁰ = 5206297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5207293 and 5207302.

It is not an unprimeable number, because it can be changed into a prime (5207329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21761 + ... + 21998.

It is an arithmetic number, because the mean of its divisors is an integer number (787680).

Almost surely, 2^5207321 is an apocalyptic number.

It is an amenable number.

5207321 is a deficient number, since it is larger than the sum of its proper divisors (1094119).

5207321 is a wasteful number, since it uses less digits than its factorization.

5207321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43783.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5207321 is about 2281.9555210389. The cubic root of 5207321 is about 173.3290872563.

The spelling of 5207321 in words is "five million, two hundred seven thousand, three hundred twenty-one".