528001505 has 8 divisors (see below), whose sum is σ = 633733632. Its totient is φ = 422313328.

The previous prime is 528001493. The next prime is 528001553. The reversal of 528001505 is 505100825.

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

It is a cyclic number.

It is not a de Polignac number, because 528001505 - 2²⁰ = 526952929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28082 + ... + 42948.

It is an arithmetic number, because the mean of its divisors is an integer number (79216704).

Almost surely, 2^528001505 is an apocalyptic number.

It is an amenable number.

528001505 is a deficient number, since it is larger than the sum of its proper divisors (105732127).

528001505 is a wasteful number, since it uses less digits than its factorization.

528001505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21975.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 528001505 is about 22978.2833344878. The cubic root of 528001505 is about 808.2487720614.

The spelling of 528001505 in words is "five hundred twenty-eight million, one thousand, five hundred five".