36556973 has 2 divisors, whose sum is σ = 36556974. Its totient is φ = 36556972.

The previous prime is 36556957. The next prime is 36556997. The reversal of 36556973 is 37965563.

36556973 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., 31114084 + 5442889 = 5578^2 + 2333^2 .

It is an emirp because it is prime and its reverse (37965563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36556973 - 2⁴ = 36556957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36556903) 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, 18278486 + 18278487.

It is an arithmetic number, because the mean of its divisors is an integer number (18278487).

Almost surely, 2^36556973 is an apocalyptic number.

It is an amenable number.

36556973 is a deficient number, since it is larger than the sum of its proper divisors (1).

36556973 is an equidigital number, since it uses as much as digits as its factorization.

36556973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 44.

The square root of 36556973 is about 6046.2362672989. The cubic root of 36556973 is about 331.8868735637.

The spelling of 36556973 in words is "thirty-six million, five hundred fifty-six thousand, nine hundred seventy-three".