36543281 has 2 divisors, whose sum is σ = 36543282. Its totient is φ = 36543280.

The previous prime is 36543271. The next prime is 36543307. The reversal of 36543281 is 18234563.

36543281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 6677056 = 5465^2 + 2584^2 .

It is a cyclic number.

It is not a de Polignac number, because 36543281 - 2¹⁰ = 36542257 is a prime.

It is a super-2 number, since 2×36543281² = 2670822772489922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36543211) 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, 18271640 + 18271641.

It is an arithmetic number, because the mean of its divisors is an integer number (18271641).

Almost surely, 2^36543281 is an apocalyptic number.

It is an amenable number.

36543281 is a deficient number, since it is larger than the sum of its proper divisors (1).

36543281 is an equidigital number, since it uses as much as digits as its factorization.

36543281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 36543281 is about 6045.1038866177. The cubic root of 36543281 is about 331.8454335670.

The spelling of 36543281 in words is "thirty-six million, five hundred forty-three thousand, two hundred eighty-one".