528334009 has 16 divisors (see below), whose sum is σ = 610825600. Its totient is φ = 447617664.

The previous prime is 528333983. The next prime is 528334033. The reversal of 528334009 is 900433825.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 528334009 - 2⁷ = 528333881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528334039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563389 + ... + 564325.

It is an arithmetic number, because the mean of its divisors is an integer number (38176600).

Almost surely, 2^528334009 is an apocalyptic number.

It is an amenable number.

528334009 is a deficient number, since it is larger than the sum of its proper divisors (82491591).

528334009 is a wasteful number, since it uses less digits than its factorization.

528334009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 528334009 is about 22985.5173750777. The cubic root of 528334009 is about 808.4183988228.

The spelling of 528334009 in words is "five hundred twenty-eight million, three hundred thirty-four thousand, nine".