528816017 has 8 divisors (see below), whose sum is σ = 535264200. Its totient is φ = 522379264.

The previous prime is 528815983. The next prime is 528816031. The reversal of 528816017 is 710618825.

It is a Cunningham number, because it is equal to 22996²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6739216 + 522076801 = 2596^2 + 22849^2 .

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 528816017 - 2²⁴ = 512038801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528816077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123293 + ... + 127509.

It is an arithmetic number, because the mean of its divisors is an integer number (66908025).

Almost surely, 2^528816017 is an apocalyptic number.

It is an amenable number.

528816017 is a deficient number, since it is larger than the sum of its proper divisors (6448183).

528816017 is a wasteful number, since it uses less digits than its factorization.

528816017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 528816017 is about 22996.0000217429. Note that the first 4 decimals coincide. The cubic root of 528816017 is about 808.6641686641.

The spelling of 528816017 in words is "five hundred twenty-eight million, eight hundred sixteen thousand, seventeen".