36956561 has 8 divisors (see below), whose sum is σ = 38669184. Its totient is φ = 35252800.

The previous prime is 36956551. The next prime is 36956567. The reversal of 36956561 is 16565963.

36956561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36956561 - 2¹⁴ = 36940177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36956567) 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 7 ways as a sum of consecutive naturals, for example, 7220 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (4833648).

Almost surely, 2^36956561 is an apocalyptic number.

It is an amenable number.

36956561 is a deficient number, since it is larger than the sum of its proper divisors (1712623).

36956561 is a wasteful number, since it uses less digits than its factorization.

36956561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431.

The product of its digits is 145800, while the sum is 41.

The square root of 36956561 is about 6079.1908178638. The cubic root of 36956561 is about 333.0917301482.

The spelling of 36956561 in words is "thirty-six million, nine hundred fifty-six thousand, five hundred sixty-one".