5217321 has 8 divisors (see below), whose sum is σ = 6971040. Its totient is φ = 3470912.

The previous prime is 5217299. The next prime is 5217341. The reversal of 5217321 is 1237125.

5217321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5217321 - 2⁶ = 5217257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5217341) 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, 145 + ... + 3233.

It is an arithmetic number, because the mean of its divisors is an integer number (871380).

Almost surely, 2^5217321 is an apocalyptic number.

It is an amenable number.

5217321 is a deficient number, since it is larger than the sum of its proper divisors (1753719).

5217321 is a wasteful number, since it uses less digits than its factorization.

5217321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its digits is 420, while the sum is 21.

The square root of 5217321 is about 2284.1455732943. The cubic root of 5217321 is about 173.4399684901.

The spelling of 5217321 in words is "five million, two hundred seventeen thousand, three hundred twenty-one".