528086113 has 4 divisors (see below), whose sum is σ = 559150020. Its totient is φ = 497022208.

The previous prime is 528086107. The next prime is 528086129. The reversal of 528086113 is 311680825.

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 222815329 + 305270784 = 14927^2 + 17472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528086113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528086183) 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, 15531928 + ... + 15531961.

It is an arithmetic number, because the mean of its divisors is an integer number (139787505).

Almost surely, 2^528086113 is an apocalyptic number.

It is an amenable number.

528086113 is a deficient number, since it is larger than the sum of its proper divisors (31063907).

528086113 is a wasteful number, since it uses less digits than its factorization.

528086113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31063906.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 528086113 is about 22980.1243034062. The cubic root of 528086113 is about 808.2919415467.

The spelling of 528086113 in words is "five hundred twenty-eight million, eighty-six thousand, one hundred thirteen".