36563565 has 8 divisors (see below), whose sum is σ = 58501728. Its totient is φ = 19500560.

The previous prime is 36563563. The next prime is 36563567. The reversal of 36563565 is 56536563.

It is an interprime number because it is at equal distance from previous prime (36563563) and next prime (36563567).

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

It is not a de Polignac number, because 36563565 - 2¹ = 36563563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36563561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218771 + ... + 1218800.

It is an arithmetic number, because the mean of its divisors is an integer number (7312716).

Almost surely, 2^36563565 is an apocalyptic number.

It is an amenable number.

36563565 is a deficient number, since it is larger than the sum of its proper divisors (21938163).

36563565 is a wasteful number, since it uses less digits than its factorization.

36563565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437579.

The product of its digits is 243000, while the sum is 39.

The square root of 36563565 is about 6046.7813752442. The cubic root of 36563565 is about 331.9068211195.

It can be divided in two parts, 36563 and 565, that added together give a triangular number (37128 = T₂₇₂).

The spelling of 36563565 in words is "thirty-six million, five hundred sixty-three thousand, five hundred sixty-five".