275165287 has 2 divisors, whose sum is σ = 275165288. Its totient is φ = 275165286.

The previous prime is 275165167. The next prime is 275165291. The reversal of 275165287 is 782561572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275165287 - 2¹⁵ = 275132519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275169287) 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, 137582643 + 137582644.

It is an arithmetic number, because the mean of its divisors is an integer number (137582644).

Almost surely, 2^275165287 is an apocalyptic number.

275165287 is a deficient number, since it is larger than the sum of its proper divisors (1).

275165287 is an equidigital number, since it uses as much as digits as its factorization.

275165287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235200, while the sum is 43.

The square root of 275165287 is about 16588.1067937242. The cubic root of 275165287 is about 650.4259827008.

The spelling of 275165287 in words is "two hundred seventy-five million, one hundred sixty-five thousand, two hundred eighty-seven".