528863263 has 4 divisors (see below), whose sum is σ = 531076320. Its totient is φ = 526650208.

The previous prime is 528863243. The next prime is 528863287. The reversal of 528863263 is 362368825.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528863263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528863243) 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, 1106170 + ... + 1106647.

It is an arithmetic number, because the mean of its divisors is an integer number (132769080).

Almost surely, 2^528863263 is an apocalyptic number.

528863263 is a deficient number, since it is larger than the sum of its proper divisors (2213057).

528863263 is a wasteful number, since it uses less digits than its factorization.

528863263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213056.

The product of its digits is 414720, while the sum is 43.

The square root of 528863263 is about 22997.0272644096. The cubic root of 528863263 is about 808.6882507697.

The spelling of 528863263 in words is "five hundred twenty-eight million, eight hundred sixty-three thousand, two hundred sixty-three".