275471971 has 2 divisors, whose sum is σ = 275471972. Its totient is φ = 275471970.

The previous prime is 275471953. The next prime is 275472023. The reversal of 275471971 is 179174572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 275471971 - 2²¹ = 273374819 is a prime.

It is not a weakly prime, because it can be changed into another prime (275471941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137735985 + 137735986.

It is an arithmetic number, because the mean of its divisors is an integer number (137735986).

Almost surely, 2^275471971 is an apocalyptic number.

275471971 is a deficient number, since it is larger than the sum of its proper divisors (1).

275471971 is an equidigital number, since it uses as much as digits as its factorization.

275471971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123480, while the sum is 43.

The square root of 275471971 is about 16597.3483123058. The cubic root of 275471971 is about 650.6675359166.

The spelling of 275471971 in words is "two hundred seventy-five million, four hundred seventy-one thousand, nine hundred seventy-one".