36518113 has 4 divisors (see below), whose sum is σ = 37207188. Its totient is φ = 35829040.

The previous prime is 36518101. The next prime is 36518117. The reversal of 36518113 is 31181563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33500944 + 3017169 = 5788^2 + 1737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36518113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36518117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344458 + ... + 344563.

It is an arithmetic number, because the mean of its divisors is an integer number (9301797).

Almost surely, 2^36518113 is an apocalyptic number.

It is an amenable number.

36518113 is a deficient number, since it is larger than the sum of its proper divisors (689075).

36518113 is an equidigital number, since it uses as much as digits as its factorization.

36518113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689074.

The product of its digits is 2160, while the sum is 28.

The square root of 36518113 is about 6043.0218434158. The cubic root of 36518113 is about 331.7692334764.

Adding to 36518113 its reverse (31181563), we get a palindrome (67699676).

The spelling of 36518113 in words is "thirty-six million, five hundred eighteen thousand, one hundred thirteen".