36031645 has 12 divisors (see below), whose sum is σ = 46820916. Its totient is φ = 26607360.

The previous prime is 36031643. The next prime is 36031651. The reversal of 36031645 is 54613063.

36031645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5184729 + 30846916 = 2277^2 + 5554^2 .

It is not a de Polignac number, because 36031645 - 2¹ = 36031643 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 (36031643) 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 11 ways as a sum of consecutive naturals, for example, 20476 + ... + 22165.

It is an arithmetic number, because the mean of its divisors is an integer number (3901743).

Almost surely, 2^36031645 is an apocalyptic number.

It is an amenable number.

36031645 is a deficient number, since it is larger than the sum of its proper divisors (10789271).

36031645 is a wasteful number, since it uses less digits than its factorization.

36031645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42672 (or 42659 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 36031645 is about 6002.6365040705. The cubic root of 36031645 is about 330.2894460805.

The spelling of 36031645 in words is "thirty-six million, thirty-one thousand, six hundred forty-five".