36338381 has 2 divisors, whose sum is σ = 36338382. Its totient is φ = 36338380.

The previous prime is 36338359. The next prime is 36338389. The reversal of 36338381 is 18383363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29268100 + 7070281 = 5410^2 + 2659^2 .

It is an emirp because it is prime and its reverse (18383363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36338381 - 2¹⁴ = 36321997 is a prime.

It is a super-2 number, since 2×36338381² = 2640955867402322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36338389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18169190 + 18169191.

It is an arithmetic number, because the mean of its divisors is an integer number (18169191).

Almost surely, 2^36338381 is an apocalyptic number.

It is an amenable number.

36338381 is a deficient number, since it is larger than the sum of its proper divisors (1).

36338381 is an equidigital number, since it uses as much as digits as its factorization.

36338381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 36338381 is about 6028.1324637071. The cubic root of 36338381 is about 331.2240460975.

The spelling of 36338381 in words is "thirty-six million, three hundred thirty-eight thousand, three hundred eighty-one".