36513565 has 12 divisors (see below), whose sum is σ = 48162492. Its totient is φ = 26554880.

The previous prime is 36513559. The next prime is 36513599. The reversal of 36513565 is 56531563.

36513565 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 2 ways, for example, as 6625476 + 29888089 = 2574^2 + 5467^2 .

It is not a de Polignac number, because 36513565 - 2³ = 36513557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36513565.

It is a congruent number.

It is an unprimeable number.

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, 29572 + ... + 30781.

It is an arithmetic number, because the mean of its divisors is an integer number (4013541).

Almost surely, 2^36513565 is an apocalyptic number.

It is an amenable number.

36513565 is a deficient number, since it is larger than the sum of its proper divisors (11648927).

36513565 is a wasteful number, since it uses less digits than its factorization.

36513565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60380 (or 60369 counting only the distinct ones).

The product of its digits is 40500, while the sum is 34.

The square root of 36513565 is about 6042.6455298983. The cubic root of 36513565 is about 331.7554599542.

The spelling of 36513565 in words is "thirty-six million, five hundred thirteen thousand, five hundred sixty-five".