528244442825 has 24 divisors (see below), whose sum is σ = 724635066816. Its totient is φ = 378766808000.

The previous prime is 528244442797. The next prime is 528244442863.

528244442825 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 528244442825 - 2⁸ = 528244442569 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon 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, 13507862 + ... + 13546911.

It is an arithmetic number, because the mean of its divisors is an integer number (30193127784).

Almost surely, 2^528244442825 is an apocalyptic number.

528244442825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

528244442825 is a deficient number, since it is larger than the sum of its proper divisors (196390623991).

528244442825 is a wasteful number, since it uses less digits than its factorization.

528244442825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27054865 (or 27054860 counting only the distinct ones).

The product of its digits is 6553600, while the sum is 50.

The spelling of 528244442825 in words is "five hundred twenty-eight billion, two hundred forty-four million, four hundred forty-two thousand, eight hundred twenty-five".