36473813 has 2 divisors, whose sum is σ = 36473814. Its totient is φ = 36473812.

The previous prime is 36473809. The next prime is 36473819. The reversal of 36473813 is 31837463.

It is a happy number.

36473813 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., 21743569 + 14730244 = 4663^2 + 3838^2 .

It is a cyclic number.

It is not a de Polignac number, because 36473813 - 2² = 36473809 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36473819) 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, 18236906 + 18236907.

It is an arithmetic number, because the mean of its divisors is an integer number (18236907).

Almost surely, 2^36473813 is an apocalyptic number.

It is an amenable number.

36473813 is a deficient number, since it is larger than the sum of its proper divisors (1).

36473813 is an equidigital number, since it uses as much as digits as its factorization.

36473813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 36473813 is about 6039.3553463925. The cubic root of 36473813 is about 331.6350231448.

The spelling of 36473813 in words is "thirty-six million, four hundred seventy-three thousand, eight hundred thirteen".