36486561 has 4 divisors (see below), whose sum is σ = 48648752. Its totient is φ = 24324372.

The previous prime is 36486559. The next prime is 36486577. The reversal of 36486561 is 16568463.

36486561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16568463 = 3 ⋅5522821.

It is not a de Polignac number, because 36486561 - 2¹ = 36486559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36486521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6081091 + ... + 6081096.

It is an arithmetic number, because the mean of its divisors is an integer number (12162188).

Almost surely, 2^36486561 is an apocalyptic number.

It is an amenable number.

36486561 is a deficient number, since it is larger than the sum of its proper divisors (12162191).

36486561 is a wasteful number, since it uses less digits than its factorization.

36486561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162190.

The product of its digits is 103680, while the sum is 39.

The square root of 36486561 is about 6040.4106648472. The cubic root of 36486561 is about 331.6736553440.

The spelling of 36486561 in words is "thirty-six million, four hundred eighty-six thousand, five hundred sixty-one".