5230021 has 2 divisors, whose sum is σ = 5230022. Its totient is φ = 5230020.

The previous prime is 5230013. The next prime is 5230091. The reversal of 5230021 is 1200325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5225796 + 4225 = 2286^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 5230021 - 2³ = 5230013 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5229983 and 5230010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5230091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2615010 + 2615011.

It is an arithmetic number, because the mean of its divisors is an integer number (2615011).

Almost surely, 2^5230021 is an apocalyptic number.

It is an amenable number.

5230021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5230021 is an equidigital number, since it uses as much as digits as its factorization.

5230021 is an evil number, because the sum of its binary digits is even.

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

The square root of 5230021 is about 2286.9239165307. The cubic root of 5230021 is about 173.5805836164.

Adding to 5230021 its reverse (1200325), we get a palindrome (6430346).

The spelling of 5230021 in words is "five million, two hundred thirty thousand, twenty-one".