828505503 has 20 divisors (see below), whose sum is σ = 1414451280. Its totient is φ = 473431392.

The previous prime is 828505459. The next prime is 828505511. The reversal of 828505503 is 305505828.

It is not a de Polignac number, because 828505503 - 2¹² = 828501407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828505003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 730038 + ... + 731171.

It is an arithmetic number, because the mean of its divisors is an integer number (70722564).

Almost surely, 2^828505503 is an apocalyptic number.

828505503 is a deficient number, since it is larger than the sum of its proper divisors (585945777).

828505503 is a wasteful number, since it uses less digits than its factorization.

828505503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461228 (or 1461219 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The square root of 828505503 is about 28783.7715214667. The cubic root of 828505503 is about 939.2152432494.

The spelling of 828505503 in words is "eight hundred twenty-eight million, five hundred five thousand, five hundred three".