5240321 has 4 divisors (see below), whose sum is σ = 5329200. Its totient is φ = 5151444.

The previous prime is 5240317. The next prime is 5240351. The reversal of 5240321 is 1230425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5240321 - 2² = 5240317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5240321.

It is not an unprimeable number, because it can be changed into a prime (5240351) 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, 44351 + ... + 44468.

It is an arithmetic number, because the mean of its divisors is an integer number (1332300).

Almost surely, 2^5240321 is an apocalyptic number.

It is an amenable number.

5240321 is a deficient number, since it is larger than the sum of its proper divisors (88879).

5240321 is an equidigital number, since it uses as much as digits as its factorization.

5240321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88878.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5240321 is about 2289.1747421287. The cubic root of 5240321 is about 173.6944587238.

Adding to 5240321 its reverse (1230425), we get a palindrome (6470746).

The spelling of 5240321 in words is "five million, two hundred forty thousand, three hundred twenty-one".