5221001 has 2 divisors, whose sum is σ = 5221002. Its totient is φ = 5221000.

The previous prime is 5220997. The next prime is 5221003. The reversal of 5221001 is 1001225.

5221001 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., 5017600 + 203401 = 2240^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221001 - 2² = 5220997 is a prime.

Together with 5221003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610500 + 2610501.

It is an arithmetic number, because the mean of its divisors is an integer number (2610501).

Almost surely, 2^5221001 is an apocalyptic number.

It is an amenable number.

5221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221001 is an equidigital number, since it uses as much as digits as its factorization.

5221001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 5221001 is about 2284.9509841570. The cubic root of 5221001 is about 173.4807371196.

Adding to 5221001 its reverse (1001225), we get a palindrome (6222226).

The spelling of 5221001 in words is "five million, two hundred twenty-one thousand, one".