27147031 has 2 divisors, whose sum is σ = 27147032. Its totient is φ = 27147030.

The previous prime is 27146981. The next prime is 27147073. The reversal of 27147031 is 13074172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27147031 - 2⁹ = 27146519 is a prime.

It is a super-2 number, since 2×27147031² = 1473922584229922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27146987 and 27147005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27147091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13573515 + 13573516.

It is an arithmetic number, because the mean of its divisors is an integer number (13573516).

Almost surely, 2^27147031 is an apocalyptic number.

27147031 is a deficient number, since it is larger than the sum of its proper divisors (1).

27147031 is an equidigital number, since it uses as much as digits as its factorization.

27147031 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 27147031 is about 5210.2812783956. The cubic root of 27147031 is about 300.5435737563.

The spelling of 27147031 in words is "twenty-seven million, one hundred forty-seven thousand, thirty-one".