528665103 has 16 divisors (see below), whose sum is σ = 808473600. Its totient is φ = 341073720.

The previous prime is 528665087. The next prime is 528665129. The reversal of 528665103 is 301566825.

It is not a de Polignac number, because 528665103 - 2⁴ = 528665087 is a prime.

It is a super-2 number, since 2×528665103² = 558973582260001218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528665153) 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, 314973 + ... + 316646.

It is an arithmetic number, because the mean of its divisors is an integer number (50529600).

Almost surely, 2^528665103 is an apocalyptic number.

528665103 is a deficient number, since it is larger than the sum of its proper divisors (279808497).

528665103 is a wasteful number, since it uses less digits than its factorization.

528665103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631659 (or 631653 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 528665103 is about 22992.7184778138. The cubic root of 528665103 is about 808.5872355711.

The spelling of 528665103 in words is "five hundred twenty-eight million, six hundred sixty-five thousand, one hundred three".