275115689 has 2 divisors, whose sum is σ = 275115690. Its totient is φ = 275115688.

The previous prime is 275115667. The next prime is 275115691. The reversal of 275115689 is 986511572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137827600 + 137288089 = 11740^2 + 11717^2 .

It is a cyclic number.

It is not a de Polignac number, because 275115689 - 2⁸ = 275115433 is a prime.

It is a super-3 number, since 3×275115689³ (a number of 26 digits) contains 333 as substring.

Together with 275115691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275115619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137557844 + 137557845.

It is an arithmetic number, because the mean of its divisors is an integer number (137557845).

Almost surely, 2^275115689 is an apocalyptic number.

It is an amenable number.

275115689 is a deficient number, since it is larger than the sum of its proper divisors (1).

275115689 is an equidigital number, since it uses as much as digits as its factorization.

275115689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 44.

The square root of 275115689 is about 16586.6117395929. The cubic root of 275115689 is about 650.3869010193.

The spelling of 275115689 in words is "two hundred seventy-five million, one hundred fifteen thousand, six hundred eighty-nine".