36180493 has 4 divisors (see below), whose sum is σ = 36411100. Its totient is φ = 35949888.

The previous prime is 36180461. The next prime is 36180527. The reversal of 36180493 is 39408163.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27436644 + 8743849 = 5238^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 36180493 - 2⁵ = 36180461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36180433) 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, 115068 + ... + 115381.

It is an arithmetic number, because the mean of its divisors is an integer number (9102775).

Almost surely, 2^36180493 is an apocalyptic number.

It is an amenable number.

36180493 is a deficient number, since it is larger than the sum of its proper divisors (230607).

36180493 is a wasteful number, since it uses less digits than its factorization.

36180493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230606.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 36180493 is about 6015.0222775980. The cubic root of 36180493 is about 330.7436336934.

The spelling of 36180493 in words is "thirty-six million, one hundred eighty thousand, four hundred ninety-three".