36638117 has 2 divisors, whose sum is σ = 36638118. Its totient is φ = 36638116.

The previous prime is 36638101. The next prime is 36638123. The reversal of 36638117 is 71183663.

36638117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19589476 + 17048641 = 4426^2 + 4129^2 .

It is an emirp because it is prime and its reverse (71183663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36638117 - 2⁴ = 36638101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36631117) 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, 18319058 + 18319059.

It is an arithmetic number, because the mean of its divisors is an integer number (18319059).

Almost surely, 2^36638117 is an apocalyptic number.

It is an amenable number.

36638117 is a deficient number, since it is larger than the sum of its proper divisors (1).

36638117 is an equidigital number, since it uses as much as digits as its factorization.

36638117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 36638117 is about 6052.9428379921. The cubic root of 36638117 is about 332.1322506212.

It can be divided in two parts, 366 and 38117, that added together give a palindrome (38483).

The spelling of 36638117 in words is "thirty-six million, six hundred thirty-eight thousand, one hundred seventeen".