36249109 has 4 divisors (see below), whose sum is σ = 39037516. Its totient is φ = 33460704.

The previous prime is 36249107. The next prime is 36249113. The reversal of 36249109 is 90194263.

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 15800625 + 20448484 = 3975^2 + 4522^2 .

It is a cyclic number.

It is not a de Polignac number, because 36249109 - 2¹ = 36249107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36249107) 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, 1394184 + ... + 1394209.

It is an arithmetic number, because the mean of its divisors is an integer number (9759379).

Almost surely, 2^36249109 is an apocalyptic number.

It is an amenable number.

36249109 is a deficient number, since it is larger than the sum of its proper divisors (2788407).

36249109 is a wasteful number, since it uses less digits than its factorization.

36249109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788406.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 36249109 is about 6020.7232954189. The cubic root of 36249109 is about 330.9525858281.

The spelling of 36249109 in words is "thirty-six million, two hundred forty-nine thousand, one hundred nine".