4528481320537 has 2 divisors, whose sum is σ = 4528481320538. Its totient is φ = 4528481320536.

The previous prime is 4528481320513. The next prime is 4528481320543. The reversal of 4528481320537 is 7350231848254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4456240782361 + 72240538176 = 2110981^2 + 268776^2 .

It is a cyclic number.

It is not a de Polignac number, because 4528481320537 - 2¹⁵ = 4528481287769 is a prime.

It is not a weakly prime, because it can be changed into another prime (4528491320537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2264240660268 + 2264240660269.

It is an arithmetic number, because the mean of its divisors is an integer number (2264240660269).

Almost surely, 2^{4528481320537} is an apocalyptic number.

It is an amenable number.

4528481320537 is a deficient number, since it is larger than the sum of its proper divisors (1).

4528481320537 is an equidigital number, since it uses as much as digits as its factorization.

4528481320537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 4528481320537 in words is "four trillion, five hundred twenty-eight billion, four hundred eighty-one million, three hundred twenty thousand, five hundred thirty-seven".