528545868 has 24 divisors (see below), whose sum is σ = 1250645760. Its totient is φ = 173700240.

The previous prime is 528545837. The next prime is 528545873. The reversal of 528545868 is 868545825.

It is a self number, because there is not a number n which added to its sum of digits gives 528545868.

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, 309328 + ... + 311031.

It is an arithmetic number, because the mean of its divisors is an integer number (52110240).

Almost surely, 2^528545868 is an apocalyptic number.

It is an amenable number.

528545868 is an abundant number, since it is smaller than the sum of its proper divisors (722099892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

528545868 is a wasteful number, since it uses less digits than its factorization.

528545868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620437 (or 620435 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 51.

The square root of 528545868 is about 22990.1254455038. The cubic root of 528545868 is about 808.5264414769.

The spelling of 528545868 in words is "five hundred twenty-eight million, five hundred forty-five thousand, eight hundred sixty-eight".