7024021 has 2 divisors, whose sum is σ = 7024022. Its totient is φ = 7024020.

The previous prime is 7023983. The next prime is 7024051. The reversal of 7024021 is 1204207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 1521 = 2650^2 + 39^2 .

It is an emirp because it is prime and its reverse (1204207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7024021 - 2¹⁵ = 6991253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7023986 and 7024004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7024051) 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, 3512010 + 3512011.

It is an arithmetic number, because the mean of its divisors is an integer number (3512011).

Almost surely, 2^7024021 is an apocalyptic number.

It is an amenable number.

7024021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7024021 is an equidigital number, since it uses as much as digits as its factorization.

7024021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 7024021 is about 2650.2869655945. The cubic root of 7024021 is about 191.5116804634.

Adding to 7024021 its reverse (1204207), we get a palindrome (8228228).

The spelling of 7024021 in words is "seven million, twenty-four thousand, twenty-one".