4523841521 has 2 divisors, whose sum is σ = 4523841522. Its totient is φ = 4523841520.

The previous prime is 4523841493. The next prime is 4523841547. The reversal of 4523841521 is 1251483254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2870280625 + 1653560896 = 53575^2 + 40664^2 .

It is a cyclic number.

It is not a de Polignac number, because 4523841521 - 2¹⁸ = 4523579377 is a prime.

It is not a weakly prime, because it can be changed into another prime (4523841121) 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, 2261920760 + 2261920761.

It is an arithmetic number, because the mean of its divisors is an integer number (2261920761).

Almost surely, 2^4523841521 is an apocalyptic number.

It is an amenable number.

4523841521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4523841521 is an equidigital number, since it uses as much as digits as its factorization.

4523841521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 35.

The square root of 4523841521 is about 67259.5087775699. The cubic root of 4523841521 is about 1653.8741558481.

The spelling of 4523841521 in words is "four billion, five hundred twenty-three million, eight hundred forty-one thousand, five hundred twenty-one".