36561194 has 4 divisors (see below), whose sum is σ = 54841794. Its totient is φ = 18280596.

The previous prime is 36561193. The next prime is 36561197. The reversal of 36561194 is 49116563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32205625 + 4355569 = 5675^2 + 2087^2 .

It is not an unprimeable number, because it can be changed into a prime (36561193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9140297 + ... + 9140300.

Almost surely, 2^36561194 is an apocalyptic number.

36561194 is a deficient number, since it is larger than the sum of its proper divisors (18280600).

36561194 is a wasteful number, since it uses less digits than its factorization.

36561194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18280599.

The product of its digits is 19440, while the sum is 35.

The square root of 36561194 is about 6046.5853173506. The cubic root of 36561194 is about 331.8996466907.

The spelling of 36561194 in words is "thirty-six million, five hundred sixty-one thousand, one hundred ninety-four".