183638101 has 2 divisors, whose sum is σ = 183638102. Its totient is φ = 183638100.

The previous prime is 183638083. The next prime is 183638113. The reversal of 183638101 is 101836381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178863876 + 4774225 = 13374^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 183638101 - 2⁷ = 183637973 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (183638171) 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, 91819050 + 91819051.

It is an arithmetic number, because the mean of its divisors is an integer number (91819051).

Almost surely, 2^183638101 is an apocalyptic number.

It is an amenable number.

183638101 is a deficient number, since it is larger than the sum of its proper divisors (1).

183638101 is an equidigital number, since it uses as much as digits as its factorization.

183638101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 183638101 is about 13551.3136263611. The cubic root of 183638101 is about 568.4002553516.

The spelling of 183638101 in words is "one hundred eighty-three million, six hundred thirty-eight thousand, one hundred one".