275661313 has 2 divisors, whose sum is σ = 275661314. Its totient is φ = 275661312.

The previous prime is 275661301. The next prime is 275661319. The reversal of 275661313 is 313166572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201838849 + 73822464 = 14207^2 + 8592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275661313 is a prime.

It is not a weakly prime, because it can be changed into another prime (275661319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137830656 + 137830657.

It is an arithmetic number, because the mean of its divisors is an integer number (137830657).

Almost surely, 2^275661313 is an apocalyptic number.

It is an amenable number.

275661313 is a deficient number, since it is larger than the sum of its proper divisors (1).

275661313 is an equidigital number, since it uses as much as digits as its factorization.

275661313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 34.

The square root of 275661313 is about 16603.0513159479. The cubic root of 275661313 is about 650.8165776704.

The spelling of 275661313 in words is "two hundred seventy-five million, six hundred sixty-one thousand, three hundred thirteen".