5480021 has 2 divisors, whose sum is σ = 5480022. Its totient is φ = 5480020.

The previous prime is 5480017. The next prime is 5480023. The reversal of 5480021 is 1200845.

5480021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4157521 + 1322500 = 2039^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 5480021 - 2² = 5480017 is a prime.

Together with 5480023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5479975 and 5480002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5480023) 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 as a sum of consecutive naturals, namely, 2740010 + 2740011.

It is an arithmetic number, because the mean of its divisors is an integer number (2740011).

Almost surely, 2^5480021 is an apocalyptic number.

It is an amenable number.

5480021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5480021 is an equidigital number, since it uses as much as digits as its factorization.

5480021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 5480021 is about 2340.9444675173. The cubic root of 5480021 is about 176.3034215944.

Adding to 5480021 its reverse (1200845), we get a palindrome (6680866).

The spelling of 5480021 in words is "five million, four hundred eighty thousand, twenty-one".