27313187 has 4 divisors (see below), whose sum is σ = 29796216. Its totient is φ = 24830160.

The previous prime is 27313183. The next prime is 27313193. The reversal of 27313187 is 78131372.

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 27313187 - 2² = 27313183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27313183) 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, 1241498 + ... + 1241519.

It is an arithmetic number, because the mean of its divisors is an integer number (7449054).

Almost surely, 2^27313187 is an apocalyptic number.

27313187 is a deficient number, since it is larger than the sum of its proper divisors (2483029).

27313187 is a wasteful number, since it uses less digits than its factorization.

27313187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483028.

The product of its digits is 7056, while the sum is 32.

The square root of 27313187 is about 5226.2019670120. The cubic root of 27313187 is about 301.1554955711.

The spelling of 27313187 in words is "twenty-seven million, three hundred thirteen thousand, one hundred eighty-seven".