528715 has 8 divisors (see below), whose sum is σ = 692208. Its totient is φ = 384480.

The previous prime is 528709. The next prime is 528719. The reversal of 528715 is 517825.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 528715 - 2³ = 528707 is a prime.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (528719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4752 + ... + 4861.

It is an arithmetic number, because the mean of its divisors is an integer number (86526).

2⁵²⁸⁷¹⁵ is an apocalyptic number.

528715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

528715 is a deficient number, since it is larger than the sum of its proper divisors (163493).

528715 is a wasteful number, since it uses less digits than its factorization.

528715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9629.

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

The square root of 528715 is about 727.1279117184. The cubic root of 528715 is about 80.8612673735.

The spelling of 528715 in words is "five hundred twenty-eight thousand, seven hundred fifteen".