275283121 has 2 divisors, whose sum is σ = 275283122. Its totient is φ = 275283120.

The previous prime is 275283037. The next prime is 275283133. The reversal of 275283121 is 121382572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170015521 + 105267600 = 13039^2 + 10260^2 .

It is a cyclic number.

It is not a de Polignac number, because 275283121 - 2¹³ = 275274929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275283161) 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, 137641560 + 137641561.

It is an arithmetic number, because the mean of its divisors is an integer number (137641561).

Almost surely, 2^275283121 is an apocalyptic number.

It is an amenable number.

275283121 is a deficient number, since it is larger than the sum of its proper divisors (1).

275283121 is an equidigital number, since it uses as much as digits as its factorization.

275283121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 275283121 is about 16591.6581751192. The cubic root of 275283121 is about 650.5188133996.

The spelling of 275283121 in words is "two hundred seventy-five million, two hundred eighty-three thousand, one hundred twenty-one".