528005505250 has 16 divisors (see below), whose sum is σ = 988426306296. Its totient is φ = 211202202000.

The previous prime is 528005505229. The next prime is 528005505301. The reversal of 528005505250 is 52505500825.

It can be written as a sum of positive squares in 4 ways, for example, as 198734965209 + 329270540041 = 445797^2 + 573821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1056010761 + ... + 1056011260.

Almost surely, 2^528005505250 is an apocalyptic number.

528005505250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

528005505250 is a deficient number, since it is larger than the sum of its proper divisors (460420801046).

528005505250 is a wasteful number, since it uses less digits than its factorization.

528005505250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112022038 (or 2112022028 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 528005505250 in words is "five hundred twenty-eight billion, five million, five hundred five thousand, two hundred fifty".