36987193 has 2 divisors, whose sum is σ = 36987194. Its totient is φ = 36987192.

The previous prime is 36987191. The next prime is 36987199. The reversal of 36987193 is 39178963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28761769 + 8225424 = 5363^2 + 2868^2 .

It is an emirp because it is prime and its reverse (39178963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36987193 - 2¹ = 36987191 is a prime.

Together with 36987191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36987191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18493596 + 18493597.

It is an arithmetic number, because the mean of its divisors is an integer number (18493597).

Almost surely, 2^36987193 is an apocalyptic number.

It is an amenable number.

36987193 is a deficient number, since it is larger than the sum of its proper divisors (1).

36987193 is an equidigital number, since it uses as much as digits as its factorization.

36987193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 36987193 is about 6081.7097102706. The cubic root of 36987193 is about 333.1837340925.

The spelling of 36987193 in words is "thirty-six million, nine hundred eighty-seven thousand, one hundred ninety-three".