5280321 has 8 divisors (see below), whose sum is σ = 7080480. Its totient is φ = 3500192.

The previous prime is 5280277. The next prime is 5280329. The reversal of 5280321 is 1230825.

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 5280321 - 2⁶ = 5280257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5280329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4380 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (885060).

Almost surely, 2^5280321 is an apocalyptic number.

It is an amenable number.

5280321 is a deficient number, since it is larger than the sum of its proper divisors (1800159).

5280321 is a wasteful number, since it uses less digits than its factorization.

5280321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10015.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 5280321 is about 2297.8949062131. The cubic root of 5280321 is about 174.1352825583.

The spelling of 5280321 in words is "five million, two hundred eighty thousand, three hundred twenty-one".