27381103 has 4 divisors (see below), whose sum is σ = 27523168. Its totient is φ = 27239040.

The previous prime is 27381089. The next prime is 27381113. The reversal of 27381103 is 30118372.

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 27381103 - 2¹³ = 27372911 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 (27381113) 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, 70743 + ... + 71128.

It is an arithmetic number, because the mean of its divisors is an integer number (6880792).

Almost surely, 2^27381103 is an apocalyptic number.

27381103 is a deficient number, since it is larger than the sum of its proper divisors (142065).

27381103 is a wasteful number, since it uses less digits than its factorization.

27381103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142064.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 27381103 is about 5232.6955768514. The cubic root of 27381103 is about 301.4049031463.

Adding to 27381103 its reverse (30118372), we get a palindrome (57499475).

The spelling of 27381103 in words is "twenty-seven million, three hundred eighty-one thousand, one hundred three".