4524001021 has 2 divisors, whose sum is σ = 4524001022. Its totient is φ = 4524001020.

The previous prime is 4524001007. The next prime is 4524001033. The reversal of 4524001021 is 1201004254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2786361796 + 1737639225 = 52786^2 + 41685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4524001021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4524001021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4524001081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262000510 + 2262000511.

It is an arithmetic number, because the mean of its divisors is an integer number (2262000511).

Almost surely, 2^4524001021 is an apocalyptic number.

It is an amenable number.

4524001021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4524001021 is an equidigital number, since it uses as much as digits as its factorization.

4524001021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4524001021 is about 67260.6944730725. The cubic root of 4524001021 is about 1653.8935928558.

Adding to 4524001021 its reverse (1201004254), we get a palindrome (5725005275).

The spelling of 4524001021 in words is "four billion, five hundred twenty-four million, one thousand, twenty-one".