528872000521 has 4 divisors (see below), whose sum is σ = 528873479172. Its totient is φ = 528870521872.

The previous prime is 528872000497. The next prime is 528872000533. The reversal of 528872000521 is 125000278825.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 497075761296 + 31796239225 = 705036^2 + 178315^2 .

It is a cyclic number.

It is not a de Polignac number, because 528872000521 - 2¹⁹ = 528871476233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528872000621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169935 + ... + 1042411.

It is an arithmetic number, because the mean of its divisors is an integer number (132218369793).

Almost surely, 2^528872000521 is an apocalyptic number.

It is an amenable number.

528872000521 is a deficient number, since it is larger than the sum of its proper divisors (1478651).

528872000521 is an equidigital number, since it uses as much as digits as its factorization.

528872000521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478650.

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 528872000521 in words is "five hundred twenty-eight billion, eight hundred seventy-two million, five hundred twenty-one", and thus it is an aban number.