528545484545825 has 6 divisors (see below), whose sum is σ = 655396400836854. Its totient is φ = 422836387636640.

The previous prime is 528545484545789. The next prime is 528545484545833.

528545484545825 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 45489615670801 + 483055868875024 = 6744599^2 + 21978532^2 .

It is not a de Polignac number, because 528545484545825 - 2¹² = 528545484541729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10570909690892 + ... + 10570909690941.

It is an arithmetic number, because the mean of its divisors is an integer number (109232733472809).

Almost surely, 2^{528545484545825} is an apocalyptic number.

It is an amenable number.

528545484545825 is a deficient number, since it is larger than the sum of its proper divisors (126850916291029).

528545484545825 is a wasteful number, since it uses less digits than its factorization.

528545484545825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21141819381843 (or 21141819381838 counting only the distinct ones).

The product of its digits is 8192000000, while the sum is 74.

The spelling of 528545484545825 in words is "five hundred twenty-eight trillion, five hundred forty-five billion, four hundred eighty-four million, five hundred forty-five thousand, eight hundred twenty-five".