9241021 has 2 divisors, whose sum is σ = 9241022. Its totient is φ = 9241020.

The previous prime is 9240991. The next prime is 9241039. The reversal of 9241021 is 1201429.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8328996 + 912025 = 2886^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 9241021 - 2⁵ = 9240989 is a prime.

9241021 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9241021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9241091) 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 as a sum of consecutive naturals, namely, 4620510 + 4620511.

It is an arithmetic number, because the mean of its divisors is an integer number (4620511).

Almost surely, 2^9241021 is an apocalyptic number.

It is an amenable number.

9241021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9241021 is an equidigital number, since it uses as much as digits as its factorization.

9241021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 9241021 is about 3039.9047682452. The cubic root of 9241021 is about 209.8488784254.

The spelling of 9241021 in words is "nine million, two hundred forty-one thousand, twenty-one".