36564845 has 4 divisors (see below), whose sum is σ = 43877820. Its totient is φ = 29251872.

The previous prime is 36564821. The next prime is 36564863. The reversal of 36564845 is 54846563.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54846563 = 1999 ⋅27437.

It can be written as a sum of positive squares in 2 ways, for example, as 4268356 + 32296489 = 2066^2 + 5683^2 .

It is a cyclic number.

It is not a de Polignac number, because 36564845 - 2¹⁴ = 36548461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3656480 + ... + 3656489.

It is an arithmetic number, because the mean of its divisors is an integer number (10969455).

Almost surely, 2^36564845 is an apocalyptic number.

It is an amenable number.

36564845 is a deficient number, since it is larger than the sum of its proper divisors (7312975).

36564845 is an equidigital number, since it uses as much as digits as its factorization.

36564845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312974.

The product of its digits is 345600, while the sum is 41.

The square root of 36564845 is about 6046.8872157499. The cubic root of 36564845 is about 331.9106941534.

The spelling of 36564845 in words is "thirty-six million, five hundred sixty-four thousand, eight hundred forty-five".