27148943 has 2 divisors, whose sum is σ = 27148944. Its totient is φ = 27148942.

The previous prime is 27148897. The next prime is 27148969. The reversal of 27148943 is 34984172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27148943 - 2⁸ = 27148687 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27148897 and 27148906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27148543) 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 as a sum of consecutive naturals, namely, 13574471 + 13574472.

It is an arithmetic number, because the mean of its divisors is an integer number (13574472).

Almost surely, 2^27148943 is an apocalyptic number.

27148943 is a deficient number, since it is larger than the sum of its proper divisors (1).

27148943 is an equidigital number, since it uses as much as digits as its factorization.

27148943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The square root of 27148943 is about 5210.4647585412. The cubic root of 27148943 is about 300.5506294797.

The spelling of 27148943 in words is "twenty-seven million, one hundred forty-eight thousand, nine hundred forty-three".