5320021 has 16 divisors (see below), whose sum is σ = 6393600. Its totient is φ = 4330368.

The previous prime is 5319989. The next prime is 5320027. The reversal of 5320021 is 1200235.

It is not a de Polignac number, because 5320021 - 2⁵ = 5319989 is a prime.

It is a Duffinian number.

5320021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5319983 and 5320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5320027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14640 + ... + 14998.

It is an arithmetic number, because the mean of its divisors is an integer number (399600).

Almost surely, 2^5320021 is an apocalyptic number.

It is an amenable number.

5320021 is a deficient number, since it is larger than the sum of its proper divisors (1073579).

5320021 is a wasteful number, since it uses less digits than its factorization.

5320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 5320021 is about 2306.5170712570. The cubic root of 5320021 is about 174.5706044013.

Adding to 5320021 its reverse (1200235), we get a palindrome (6520256).

The spelling of 5320021 in words is "five million, three hundred twenty thousand, twenty-one".