528715000 has 80 divisors (see below), whose sum is σ = 1351536120. Its totient is φ = 192240000.

The previous prime is 528714947. The next prime is 528715021. The reversal of 528715000 is 517825.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 528715000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50194 + ... + 59806.

Almost surely, 2^528715000 is an apocalyptic number.

528715000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528715000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675768060).

528715000 is an abundant number, since it is smaller than the sum of its proper divisors (822821120).

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

528715000 is a wasteful number, since it uses less digits than its factorization.

528715000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650 (or 9631 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 528715000 is about 22993.8035131207. The cubic root of 528715000 is about 808.6126737347.

The spelling of 528715000 in words is "five hundred twenty-eight million, seven hundred fifteen thousand".