528256652825 has 24 divisors (see below), whose sum is σ = 714632180256. Its totient is φ = 384162464000.

The previous prime is 528256652773. The next prime is 528256652873.

528256652825 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 528256652825 - 2¹⁰ = 528256651801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5119745 + ... + 5221905.

It is an arithmetic number, because the mean of its divisors is an integer number (29776340844).

Almost surely, 2^528256652825 is an apocalyptic number.

528256652825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

528256652825 is a deficient number, since it is larger than the sum of its proper divisors (186375527431).

528256652825 is a wasteful number, since it uses less digits than its factorization.

528256652825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120985 (or 120980 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 56.

The spelling of 528256652825 in words is "five hundred twenty-eight billion, two hundred fifty-six million, six hundred fifty-two thousand, eight hundred twenty-five".