36536539 has 4 divisors (see below), whose sum is σ = 39347056. Its totient is φ = 33726024.

The previous prime is 36536537. The next prime is 36536551. The reversal of 36536539 is 93563563.

It is a happy number.

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 36536539 - 2¹ = 36536537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36536537) 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, 1405239 + ... + 1405264.

It is an arithmetic number, because the mean of its divisors is an integer number (9836764).

Almost surely, 2^36536539 is an apocalyptic number.

36536539 is a deficient number, since it is larger than the sum of its proper divisors (2810517).

36536539 is a wasteful number, since it uses less digits than its factorization.

36536539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810516.

The product of its digits is 218700, while the sum is 40.

The square root of 36536539 is about 6044.5462195272. The cubic root of 36536539 is about 331.8250245301.

The spelling of 36536539 in words is "thirty-six million, five hundred thirty-six thousand, five hundred thirty-nine".