36651229 has 2 divisors, whose sum is σ = 36651230. Its totient is φ = 36651228.

The previous prime is 36651227. The next prime is 36651257. The reversal of 36651229 is 92215663.

36651229 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., 29484900 + 7166329 = 5430^2 + 2677^2 .

It is an emirp because it is prime and its reverse (92215663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36651229 - 2¹ = 36651227 is a prime.

Together with 36651227, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 36651194 and 36651203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36651227) 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, 18325614 + 18325615.

It is an arithmetic number, because the mean of its divisors is an integer number (18325615).

Almost surely, 2^36651229 is an apocalyptic number.

It is an amenable number.

36651229 is a deficient number, since it is larger than the sum of its proper divisors (1).

36651229 is an equidigital number, since it uses as much as digits as its factorization.

36651229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 36651229 is about 6054.0258506220. The cubic root of 36651229 is about 332.1718669099.

The spelling of 36651229 in words is "thirty-six million, six hundred fifty-one thousand, two hundred twenty-nine".