36627561 has 6 divisors (see below), whose sum is σ = 52906490. Its totient is φ = 24418368.

The previous prime is 36627559. The next prime is 36627581. The reversal of 36627561 is 16572663.

36627561 is a `hidden beast` number, since 36 + 62 + 7 + 561 = 666.

36627561 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 only one way, i.e., 22610025 + 14017536 = 4755^2 + 3744^2 .

It is not a de Polignac number, because 36627561 - 2¹ = 36627559 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36627541) 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 5 ways as a sum of consecutive naturals, for example, 2034856 + ... + 2034873.

Almost surely, 2^36627561 is an apocalyptic number.

It is an amenable number.

36627561 is a deficient number, since it is larger than the sum of its proper divisors (16278929).

36627561 is a wasteful number, since it uses less digits than its factorization.

36627561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069735 (or 4069732 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 36627561 is about 6052.0708026262. The cubic root of 36627561 is about 332.1003501026.

The spelling of 36627561 in words is "thirty-six million, six hundred twenty-seven thousand, five hundred sixty-one".