528489361 has 8 divisors (see below), whose sum is σ = 534717000. Its totient is φ = 522289152.

The previous prime is 528489337. The next prime is 528489383. The reversal of 528489361 is 163984825.

It can be written as a sum of positive squares in 4 ways, for example, as 5909761 + 522579600 = 2431^2 + 22860^2 .

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 528489361 - 2²⁵ = 494934929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528489461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33265 + ... + 46513.

It is an arithmetic number, because the mean of its divisors is an integer number (66839625).

Almost surely, 2^528489361 is an apocalyptic number.

It is an amenable number.

528489361 is a deficient number, since it is larger than the sum of its proper divisors (6227639).

528489361 is a wasteful number, since it uses less digits than its factorization.

528489361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13715.

The product of its digits is 414720, while the sum is 46.

The square root of 528489361 is about 22988.8964719927. The cubic root of 528489361 is about 808.4976271806.

The spelling of 528489361 in words is "five hundred twenty-eight million, four hundred eighty-nine thousand, three hundred sixty-one".