36648289 has 2 divisors, whose sum is σ = 36648290. Its totient is φ = 36648288.

The previous prime is 36648239. The next prime is 36648299. The reversal of 36648289 is 98284663.

It is a happy number.

36648289 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., 34023889 + 2624400 = 5833^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 36648289 - 2¹⁵ = 36615521 is a prime.

It is not a weakly prime, because it can be changed into another prime (36648239) 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, 18324144 + 18324145.

It is an arithmetic number, because the mean of its divisors is an integer number (18324145).

Almost surely, 2^36648289 is an apocalyptic number.

It is an amenable number.

36648289 is a deficient number, since it is larger than the sum of its proper divisors (1).

36648289 is an equidigital number, since it uses as much as digits as its factorization.

36648289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The square root of 36648289 is about 6053.7830321213. The cubic root of 36648289 is about 332.1629848849.

The spelling of 36648289 in words is "thirty-six million, six hundred forty-eight thousand, two hundred eighty-nine".