36036813 has 4 divisors (see below), whose sum is σ = 48049088. Its totient is φ = 24024540.

The previous prime is 36036811. The next prime is 36036859. The reversal of 36036813 is 31863063.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 36036813 - 2¹ = 36036811 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36036811) 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, 6006133 + ... + 6006138.

It is an arithmetic number, because the mean of its divisors is an integer number (12012272).

Almost surely, 2^36036813 is an apocalyptic number.

It is an amenable number.

36036813 is a deficient number, since it is larger than the sum of its proper divisors (12012275).

36036813 is a wasteful number, since it uses less digits than its factorization.

36036813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012274.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 36036813 is about 6003.0669661432. The cubic root of 36036813 is about 330.3052364065.

Adding to 36036813 its reverse (31863063), we get a palindrome (67899876).

It can be divided in two parts, 360 and 36813, that added together give a palindrome (37173).

The spelling of 36036813 in words is "thirty-six million, thirty-six thousand, eight hundred thirteen".