36644025 has 24 divisors (see below), whose sum is σ = 66093984. Its totient is φ = 17766400.

The previous prime is 36644021. The next prime is 36644033. The reversal of 36644025 is 52044663.

36644025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36644025 - 2² = 36644021 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 36643983 and 36644001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36644021) 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 23 ways as a sum of consecutive naturals, for example, 21384 + ... + 23033.

It is an arithmetic number, because the mean of its divisors is an integer number (2753916).

Almost surely, 2^36644025 is an apocalyptic number.

It is an amenable number.

36644025 is a deficient number, since it is larger than the sum of its proper divisors (29449959).

36644025 is a wasteful number, since it uses less digits than its factorization.

36644025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44441 (or 44436 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 36644025 is about 6053.4308453967. The cubic root of 36644025 is about 332.1501020833.

Adding to 36644025 its reverse (52044663), we get a palindrome (88688688).

The spelling of 36644025 in words is "thirty-six million, six hundred forty-four thousand, twenty-five".