275165897 has 2 divisors, whose sum is σ = 275165898. Its totient is φ = 275165896.

The previous prime is 275165881. The next prime is 275165977. The reversal of 275165897 is 798561572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197655481 + 77510416 = 14059^2 + 8804^2 .

It is a cyclic number.

It is not a de Polignac number, because 275165897 - 2⁴ = 275165881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275165837) 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, 137582948 + 137582949.

It is an arithmetic number, because the mean of its divisors is an integer number (137582949).

Almost surely, 2^275165897 is an apocalyptic number.

It is an amenable number.

275165897 is a deficient number, since it is larger than the sum of its proper divisors (1).

275165897 is an equidigital number, since it uses as much as digits as its factorization.

275165897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 50.

The square root of 275165897 is about 16588.1251803813. The cubic root of 275165897 is about 650.4264633326.

The spelling of 275165897 in words is "two hundred seventy-five million, one hundred sixty-five thousand, eight hundred ninety-seven".