528668065 has 8 divisors (see below), whose sum is σ = 667791360. Its totient is φ = 400674672.

The previous prime is 528668053. The next prime is 528668069. The reversal of 528668065 is 560866825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528668065 is a prime.

It is not an unprimeable number, because it can be changed into a prime (528668069) 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, 2782369 + ... + 2782558.

It is an arithmetic number, because the mean of its divisors is an integer number (83473920).

Almost surely, 2^528668065 is an apocalyptic number.

It is an amenable number.

528668065 is a deficient number, since it is larger than the sum of its proper divisors (139123295).

528668065 is a wasteful number, since it uses less digits than its factorization.

528668065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564951.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 528668065 is about 22992.7828894199. The cubic root of 528668065 is about 808.5887456834.

The spelling of 528668065 in words is "five hundred twenty-eight million, six hundred sixty-eight thousand, sixty-five".