27538933 has 2 divisors, whose sum is σ = 27538934. Its totient is φ = 27538932.

The previous prime is 27538919. The next prime is 27538937. The reversal of 27538933 is 33983572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 10712529 = 4102^2 + 3273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27538933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27538937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13769466 + 13769467.

It is an arithmetic number, because the mean of its divisors is an integer number (13769467).

Almost surely, 2^27538933 is an apocalyptic number.

It is an amenable number.

27538933 is a deficient number, since it is larger than the sum of its proper divisors (1).

27538933 is an equidigital number, since it uses as much as digits as its factorization.

27538933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 27538933 is about 5247.7550438259. The cubic root of 27538933 is about 301.9829127943.

The spelling of 27538933 in words is "twenty-seven million, five hundred thirty-eight thousand, nine hundred thirty-three".