36005563 has 4 divisors (see below), whose sum is σ = 39278808. Its totient is φ = 32732320.

The previous prime is 36005561. The next prime is 36005569. The reversal of 36005563 is 36550063.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36005563 - 2¹ = 36005561 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (36005561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636606 + ... + 1636627.

It is an arithmetic number, because the mean of its divisors is an integer number (9819702).

Almost surely, 2^36005563 is an apocalyptic number.

36005563 is a deficient number, since it is larger than the sum of its proper divisors (3273245).

36005563 is a wasteful number, since it uses less digits than its factorization.

36005563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273244.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 36005563 is about 6000.4635654256. The cubic root of 36005563 is about 330.2097319961.

The spelling of 36005563 in words is "thirty-six million, five thousand, five hundred sixty-three".