27143029 has 2 divisors, whose sum is σ = 27143030. Its totient is φ = 27143028.

The previous prime is 27143021. The next prime is 27143063. The reversal of 27143029 is 92034172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26780625 + 362404 = 5175^2 + 602^2 .

It is a cyclic number.

It is not a de Polignac number, because 27143029 - 2³ = 27143021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27142988 and 27143006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27143021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13571514 + 13571515.

It is an arithmetic number, because the mean of its divisors is an integer number (13571515).

Almost surely, 2^27143029 is an apocalyptic number.

It is an amenable number.

27143029 is a deficient number, since it is larger than the sum of its proper divisors (1).

27143029 is an equidigital number, since it uses as much as digits as its factorization.

27143029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 27143029 is about 5209.8972158767. The cubic root of 27143029 is about 300.5288043758.

The spelling of 27143029 in words is "twenty-seven million, one hundred forty-three thousand, twenty-nine".