183634081 has 2 divisors, whose sum is σ = 183634082. Its totient is φ = 183634080.

The previous prime is 183634079. The next prime is 183634109. The reversal of 183634081 is 180436381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149059681 + 34574400 = 12209^2 + 5880^2 .

It is an emirp because it is prime and its reverse (180436381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 183634081 - 2¹ = 183634079 is a prime.

It is a super-2 number, since 2×183634081² = 67442951409429122, which contains 22 as substring.

Together with 183634079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (183634181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91817040 + 91817041.

It is an arithmetic number, because the mean of its divisors is an integer number (91817041).

Almost surely, 2^183634081 is an apocalyptic number.

It is an amenable number.

183634081 is a deficient number, since it is larger than the sum of its proper divisors (1).

183634081 is an equidigital number, since it uses as much as digits as its factorization.

183634081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 183634081 is about 13551.1653004456. The cubic root of 183634081 is about 568.3961077270.

It can be divided in two parts, 18363 and 4081, that multiplied together give a triangular number (74939403 = T₁₂₂₄₂).

The spelling of 183634081 in words is "one hundred eighty-three million, six hundred thirty-four thousand, eighty-one".