275127947 has 2 divisors, whose sum is σ = 275127948. Its totient is φ = 275127946.

The previous prime is 275127857. The next prime is 275127953. The reversal of 275127947 is 749721572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275127947 - 2¹⁰ = 275126923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 275127898 and 275127907.

It is not a weakly prime, because it can be changed into another prime (275127977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137563973 + 137563974.

It is an arithmetic number, because the mean of its divisors is an integer number (137563974).

Almost surely, 2^275127947 is an apocalyptic number.

275127947 is a deficient number, since it is larger than the sum of its proper divisors (1).

275127947 is an equidigital number, since it uses as much as digits as its factorization.

275127947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 275127947 is about 16586.9812503662. The cubic root of 275127947 is about 650.3965603790.

The spelling of 275127947 in words is "two hundred seventy-five million, one hundred twenty-seven thousand, nine hundred forty-seven".