275423047 has 2 divisors, whose sum is σ = 275423048. Its totient is φ = 275423046.

The previous prime is 275423021. The next prime is 275423077. The reversal of 275423047 is 740324572.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275423047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275423017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137711523 + 137711524.

It is an arithmetic number, because the mean of its divisors is an integer number (137711524).

Almost surely, 2^275423047 is an apocalyptic number.

275423047 is a deficient number, since it is larger than the sum of its proper divisors (1).

275423047 is an equidigital number, since it uses as much as digits as its factorization.

275423047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 275423047 is about 16595.8743969699. The cubic root of 275423047 is about 650.6290139778.

The spelling of 275423047 in words is "two hundred seventy-five million, four hundred twenty-three thousand, forty-seven".