27057143 has 2 divisors, whose sum is σ = 27057144. Its totient is φ = 27057142.

The previous prime is 27057139. The next prime is 27057161. The reversal of 27057143 is 34175072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27057143 - 2² = 27057139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27057113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13528571 + 13528572.

It is an arithmetic number, because the mean of its divisors is an integer number (13528572).

Almost surely, 2^27057143 is an apocalyptic number.

27057143 is a deficient number, since it is larger than the sum of its proper divisors (1).

27057143 is an equidigital number, since it uses as much as digits as its factorization.

27057143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 27057143 is about 5201.6481042070. The cubic root of 27057143 is about 300.2114916100.

The spelling of 27057143 in words is "twenty-seven million, fifty-seven thousand, one hundred forty-three".