27243043 has 2 divisors, whose sum is σ = 27243044. Its totient is φ = 27243042.

The previous prime is 27243031. The next prime is 27243049. The reversal of 27243043 is 34034272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27243043 - 2⁹ = 27242531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27242999 and 27243017.

It is not a weakly prime, because it can be changed into another prime (27243049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13621521 + 13621522.

It is an arithmetic number, because the mean of its divisors is an integer number (13621522).

Almost surely, 2^27243043 is an apocalyptic number.

27243043 is a deficient number, since it is larger than the sum of its proper divisors (1).

27243043 is an equidigital number, since it uses as much as digits as its factorization.

27243043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 27243043 is about 5219.4868521723. The cubic root of 27243043 is about 300.8974717303.

The spelling of 27243043 in words is "twenty-seven million, two hundred forty-three thousand, forty-three".