828325189 has 2 divisors, whose sum is σ = 828325190. Its totient is φ = 828325188.

The previous prime is 828325123. The next prime is 828325193. The reversal of 828325189 is 981523828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770062500 + 58262689 = 27750^2 + 7633^2 .

It is a cyclic number.

It is not a de Polignac number, because 828325189 - 2¹¹ = 828323141 is a prime.

It is a super-2 number, since 2×828325189² = 1372245237463771442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (828325789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414162594 + 414162595.

It is an arithmetic number, because the mean of its divisors is an integer number (414162595).

Almost surely, 2^828325189 is an apocalyptic number.

It is an amenable number.

828325189 is a deficient number, since it is larger than the sum of its proper divisors (1).

828325189 is an equidigital number, since it uses as much as digits as its factorization.

828325189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 46.

The square root of 828325189 is about 28780.6391346683. The cubic root of 828325189 is about 939.1471021028.

The spelling of 828325189 in words is "eight hundred twenty-eight million, three hundred twenty-five thousand, one hundred eighty-nine".