528478311 has 4 divisors (see below), whose sum is σ = 704637752. Its totient is φ = 352318872.

The previous prime is 528478309. The next prime is 528478333. The reversal of 528478311 is 113874825.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 528478311 - 2¹ = 528478309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 528478311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528478411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88079716 + ... + 88079721.

It is an arithmetic number, because the mean of its divisors is an integer number (176159438).

Almost surely, 2^528478311 is an apocalyptic number.

528478311 is a deficient number, since it is larger than the sum of its proper divisors (176159441).

528478311 is a wasteful number, since it uses less digits than its factorization.

528478311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176159440.

The product of its digits is 53760, while the sum is 39.

The square root of 528478311 is about 22988.6561373213. The cubic root of 528478311 is about 808.4919922762.

The spelling of 528478311 in words is "five hundred twenty-eight million, four hundred seventy-eight thousand, three hundred eleven".