36505418 has 4 divisors (see below), whose sum is σ = 54758130. Its totient is φ = 18252708.

The previous prime is 36505379. The next prime is 36505429. The reversal of 36505418 is 81450563.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 33605209 + 2900209 = 5797^2 + 1703^2 .

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

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, 9126353 + ... + 9126356.

Almost surely, 2^36505418 is an apocalyptic number.

36505418 is a deficient number, since it is larger than the sum of its proper divisors (18252712).

36505418 is a wasteful number, since it uses less digits than its factorization.

36505418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18252711.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 36505418 is about 6041.9713670291. The cubic root of 36505418 is about 331.7307840767.

The spelling of 36505418 in words is "thirty-six million, five hundred five thousand, four hundred eighteen".