36587321 has 2 divisors, whose sum is σ = 36587322. Its totient is φ = 36587320.

The previous prime is 36587297. The next prime is 36587323. The reversal of 36587321 is 12378563.

36587321 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., 36240400 + 346921 = 6020^2 + 589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36587321 is a prime.

Together with 36587323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36587323) 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, 18293660 + 18293661.

It is an arithmetic number, because the mean of its divisors is an integer number (18293661).

Almost surely, 2^36587321 is an apocalyptic number.

It is an amenable number.

36587321 is a deficient number, since it is larger than the sum of its proper divisors (1).

36587321 is an equidigital number, since it uses as much as digits as its factorization.

36587321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 36587321 is about 6048.7454071072. The cubic root of 36587321 is about 331.9786874837.

The spelling of 36587321 in words is "thirty-six million, five hundred eighty-seven thousand, three hundred twenty-one".