182116213 has 2 divisors, whose sum is σ = 182116214. Its totient is φ = 182116212.

The previous prime is 182116199. The next prime is 182116241. The reversal of 182116213 is 312611281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157929489 + 24186724 = 12567^2 + 4918^2 .

It is a cyclic number.

It is not a de Polignac number, because 182116213 - 2⁹ = 182115701 is a prime.

It is a super-2 number, since 2×182116213² = 66332630074922738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (182116513) 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 as a sum of consecutive naturals, namely, 91058106 + 91058107.

It is an arithmetic number, because the mean of its divisors is an integer number (91058107).

Almost surely, 2^182116213 is an apocalyptic number.

It is an amenable number.

182116213 is a deficient number, since it is larger than the sum of its proper divisors (1).

182116213 is an equidigital number, since it uses as much as digits as its factorization.

182116213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

The square root of 182116213 is about 13495.0440162306. The cubic root of 182116213 is about 566.8257051108.

Adding to 182116213 its reverse (312611281), we get a palindrome (494727494).

It can be divided in two parts, 182116 and 213, that added together give a square (182329 = 427²).

The spelling of 182116213 in words is "one hundred eighty-two million, one hundred sixteen thousand, two hundred thirteen".