528517313 has 4 divisors (see below), whose sum is σ = 531200340. Its totient is φ = 525834288.

The previous prime is 528517291. The next prime is 528517321. The reversal of 528517313 is 313715825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 519475264 + 9042049 = 22792^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 528517313 - 2²⁰ = 527468737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528517393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341218 + ... + 1341611.

It is an arithmetic number, because the mean of its divisors is an integer number (132800085).

Almost surely, 2^528517313 is an apocalyptic number.

It is an amenable number.

528517313 is a deficient number, since it is larger than the sum of its proper divisors (2683027).

528517313 is a wasteful number, since it uses less digits than its factorization.

528517313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683026.

The product of its digits is 25200, while the sum is 35.

The square root of 528517313 is about 22989.5044096214. The cubic root of 528517313 is about 808.5118808433.

The spelling of 528517313 in words is "five hundred twenty-eight million, five hundred seventeen thousand, three hundred thirteen".