182728213 has 2 divisors, whose sum is σ = 182728214. Its totient is φ = 182728212.

The previous prime is 182728201. The next prime is 182728241. The reversal of 182728213 is 312827281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175748049 + 6980164 = 13257^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 182728213 - 2¹⁷ = 182597141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182728243) 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, 91364106 + 91364107.

It is an arithmetic number, because the mean of its divisors is an integer number (91364107).

Almost surely, 2^182728213 is an apocalyptic number.

It is an amenable number.

182728213 is a deficient number, since it is larger than the sum of its proper divisors (1).

182728213 is an equidigital number, since it uses as much as digits as its factorization.

182728213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 182728213 is about 13517.6999892733. The cubic root of 182728213 is about 567.4599328709.

The spelling of 182728213 in words is "one hundred eighty-two million, seven hundred twenty-eight thousand, two hundred thirteen".