275475943 has 2 divisors, whose sum is σ = 275475944. Its totient is φ = 275475942.

The previous prime is 275475929. The next prime is 275476001. The reversal of 275475943 is 349574572.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275475943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275475893 and 275475902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275475043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137737971 + 137737972.

It is an arithmetic number, because the mean of its divisors is an integer number (137737972).

Almost surely, 2^275475943 is an apocalyptic number.

275475943 is a deficient number, since it is larger than the sum of its proper divisors (1).

275475943 is an equidigital number, since it uses as much as digits as its factorization.

275475943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 46.

The square root of 275475943 is about 16597.4679695428. The cubic root of 275475943 is about 650.6706632028.

The spelling of 275475943 in words is "two hundred seventy-five million, four hundred seventy-five thousand, nine hundred forty-three".