4241504021 has 2 divisors, whose sum is σ = 4241504022. Its totient is φ = 4241504020.

The previous prime is 4241503999. The next prime is 4241504027. The reversal of 4241504021 is 1204051424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3683883025 + 557620996 = 60695^2 + 23614^2 .

It is a cyclic number.

It is not a de Polignac number, because 4241504021 - 2²² = 4237309717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4241504027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120752010 + 2120752011.

It is an arithmetic number, because the mean of its divisors is an integer number (2120752011).

Almost surely, 2^4241504021 is an apocalyptic number.

It is an amenable number.

4241504021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4241504021 is an equidigital number, since it uses as much as digits as its factorization.

4241504021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4241504021 is about 65126.8302698665. The cubic root of 4241504021 is about 1618.7258208480.

Adding to 4241504021 its reverse (1204051424), we get a palindrome (5445555445).

The spelling of 4241504021 in words is "four billion, two hundred forty-one million, five hundred four thousand, twenty-one".