27538103 has 4 divisors (see below), whose sum is σ = 28178568. Its totient is φ = 26897640.

The previous prime is 27538067. The next prime is 27538109. The reversal of 27538103 is 30183572.

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 27538103 - 2¹⁰ = 27537079 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 (27538109) 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 3 ways as a sum of consecutive naturals, for example, 320168 + ... + 320253.

It is an arithmetic number, because the mean of its divisors is an integer number (7044642).

Almost surely, 2^27538103 is an apocalyptic number.

27538103 is a deficient number, since it is larger than the sum of its proper divisors (640465).

27538103 is an equidigital number, since it uses as much as digits as its factorization.

27538103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640464.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 27538103 is about 5247.6759617949. The cubic root of 27538103 is about 301.9798789279.

The spelling of 27538103 in words is "twenty-seven million, five hundred thirty-eight thousand, one hundred three".