36633561 has 8 divisors (see below), whose sum is σ = 48894720. Its totient is φ = 24397392.

The previous prime is 36633511. The next prime is 36633563. The reversal of 36633561 is 16533663.

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

It is not a de Polignac number, because 36633561 - 2⁷ = 36633433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36633563) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2505 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (6111840).

Almost surely, 2^36633561 is an apocalyptic number.

It is an amenable number.

36633561 is a deficient number, since it is larger than the sum of its proper divisors (12261159).

36633561 is a wasteful number, since it uses less digits than its factorization.

36633561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495.

The product of its digits is 29160, while the sum is 33.

The square root of 36633561 is about 6052.5664804280. The cubic root of 36633561 is about 332.1184830172.

The spelling of 36633561 in words is "thirty-six million, six hundred thirty-three thousand, five hundred sixty-one".