36344521 has 4 divisors (see below), whose sum is σ = 38482452. Its totient is φ = 34206592.

The previous prime is 36344519. The next prime is 36344533. The reversal of 36344521 is 12544363.

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 31236921 + 5107600 = 5589^2 + 2260^2 .

It is a cyclic number.

It is not a de Polignac number, because 36344521 - 2¹ = 36344519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36344521.

It is not an unprimeable number, because it can be changed into a prime (36344501) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1068940 + ... + 1068973.

It is an arithmetic number, because the mean of its divisors is an integer number (9620613).

Almost surely, 2^36344521 is an apocalyptic number.

It is an amenable number.

36344521 is a deficient number, since it is larger than the sum of its proper divisors (2137931).

36344521 is a wasteful number, since it uses less digits than its factorization.

36344521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137930.

The product of its digits is 8640, while the sum is 28.

The square root of 36344521 is about 6028.6417209849. The cubic root of 36344521 is about 331.2427003969.

Adding to 36344521 its reverse (12544363), we get a palindrome (48888884).

The spelling of 36344521 in words is "thirty-six million, three hundred forty-four thousand, five hundred twenty-one".