828752231 has 2 divisors, whose sum is σ = 828752232. Its totient is φ = 828752230.

The previous prime is 828752219. The next prime is 828752237. The reversal of 828752231 is 132257828.

828752231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828752231 is a prime.

It is a super-2 number, since 2×828752231² = 1373660520774954722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828752237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414376115 + 414376116.

It is an arithmetic number, because the mean of its divisors is an integer number (414376116).

Almost surely, 2^828752231 is an apocalyptic number.

828752231 is a deficient number, since it is larger than the sum of its proper divisors (1).

828752231 is an equidigital number, since it uses as much as digits as its factorization.

828752231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 38.

The square root of 828752231 is about 28788.0570897030. The cubic root of 828752231 is about 939.3084664079.

The spelling of 828752231 in words is "eight hundred twenty-eight million, seven hundred fifty-two thousand, two hundred thirty-one".