27047131 has 2 divisors, whose sum is σ = 27047132. Its totient is φ = 27047130.

The previous prime is 27047117. The next prime is 27047147. The reversal of 27047131 is 13174072.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27047131 - 2⁵ = 27047099 is a prime.

It is a super-2 number, since 2×27047131² = 1463094590662322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27047096 and 27047105.

It is not a weakly prime, because it can be changed into another prime (27047101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13523565 + 13523566.

It is an arithmetic number, because the mean of its divisors is an integer number (13523566).

Almost surely, 2^27047131 is an apocalyptic number.

27047131 is a deficient number, since it is larger than the sum of its proper divisors (1).

27047131 is an equidigital number, since it uses as much as digits as its factorization.

27047131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 27047131 is about 5200.6856278764. The cubic root of 27047131 is about 300.1744577879.

The spelling of 27047131 in words is "twenty-seven million, forty-seven thousand, one hundred thirty-one".