36539947 has 2 divisors, whose sum is σ = 36539948. Its totient is φ = 36539946.

The previous prime is 36539911. The next prime is 36539959. The reversal of 36539947 is 74993563.

36539947 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 is an emirp because it is prime and its reverse (74993563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36539947 - 2⁷ = 36539819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36539897 and 36539906.

It is not a weakly prime, because it can be changed into another prime (36539977) 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, 18269973 + 18269974.

It is an arithmetic number, because the mean of its divisors is an integer number (18269974).

Almost surely, 2^36539947 is an apocalyptic number.

36539947 is a deficient number, since it is larger than the sum of its proper divisors (1).

36539947 is an equidigital number, since it uses as much as digits as its factorization.

36539947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 46.

The square root of 36539947 is about 6044.8281199717. The cubic root of 36539947 is about 331.8353413668.

The spelling of 36539947 in words is "thirty-six million, five hundred thirty-nine thousand, nine hundred forty-seven".