36813219 has 4 divisors (see below), whose sum is σ = 49084296. Its totient is φ = 24542144.

The previous prime is 36813197. The next prime is 36813221. The reversal of 36813219 is 91231863.

36813219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 36813219 - 2¹⁷ = 36682147 is a prime.

It is a super-2 number, since 2×36813219² = 2710426186283922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36813219.

It is not an unprimeable number, because it can be changed into a prime (36813299) 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 in 3 ways as a sum of consecutive naturals, for example, 6135534 + ... + 6135539.

It is an arithmetic number, because the mean of its divisors is an integer number (12271074).

Almost surely, 2^36813219 is an apocalyptic number.

36813219 is a deficient number, since it is larger than the sum of its proper divisors (12271077).

36813219 is a wasteful number, since it uses less digits than its factorization.

36813219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12271076.

The product of its digits is 7776, while the sum is 33.

The square root of 36813219 is about 6067.3898012242. The cubic root of 36813219 is about 332.6605221111.

The spelling of 36813219 in words is "thirty-six million, eight hundred thirteen thousand, two hundred nineteen".