828512903 has 2 divisors, whose sum is σ = 828512904. Its totient is φ = 828512902.

The previous prime is 828512897. The next prime is 828512939. The reversal of 828512903 is 309215828.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828512903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828512983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414256451 + 414256452.

It is an arithmetic number, because the mean of its divisors is an integer number (414256452).

Almost surely, 2^828512903 is an apocalyptic number.

828512903 is a deficient number, since it is larger than the sum of its proper divisors (1).

828512903 is an equidigital number, since it uses as much as digits as its factorization.

828512903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 828512903 is about 28783.9000658354. The cubic root of 828512903 is about 939.2180395182.

The spelling of 828512903 in words is "eight hundred twenty-eight million, five hundred twelve thousand, nine hundred three".