36580321 has 2 divisors, whose sum is σ = 36580322. Its totient is φ = 36580320.

The previous prime is 36580319. The next prime is 36580337. The reversal of 36580321 is 12308563.

36580321 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., 28740321 + 7840000 = 5361^2 + 2800^2 .

It is an emirp because it is prime and its reverse (12308563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36580321 - 2¹ = 36580319 is a prime.

Together with 36580319, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36580321.

It is not a weakly prime, because it can be changed into another prime (36580351) 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, 18290160 + 18290161.

It is an arithmetic number, because the mean of its divisors is an integer number (18290161).

Almost surely, 2^36580321 is an apocalyptic number.

It is an amenable number.

36580321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36580321 is an equidigital number, since it uses as much as digits as its factorization.

36580321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 36580321 is about 6048.1667470400. The cubic root of 36580321 is about 331.9575144018.

Adding to 36580321 its reverse (12308563), we get a palindrome (48888884).

The spelling of 36580321 in words is "thirty-six million, five hundred eighty thousand, three hundred twenty-one".