275055269 has 2 divisors, whose sum is σ = 275055270. Its totient is φ = 275055268.

The previous prime is 275055247. The next prime is 275055271. The reversal of 275055269 is 962550572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245298244 + 29757025 = 15662^2 + 5455^2 .

It is a cyclic number.

It is not a de Polignac number, because 275055269 - 2⁸ = 275055013 is a prime.

It is a super-2 number, since 2×275055269² = 151310802009324722, which contains 22 as substring.

Together with 275055271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275055239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137527634 + 137527635.

It is an arithmetic number, because the mean of its divisors is an integer number (137527635).

Almost surely, 2^275055269 is an apocalyptic number.

It is an amenable number.

275055269 is a deficient number, since it is larger than the sum of its proper divisors (1).

275055269 is an equidigital number, since it uses as much as digits as its factorization.

275055269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 275055269 is about 16584.7902911071. The cubic root of 275055269 is about 650.3392855915.

The spelling of 275055269 in words is "two hundred seventy-five million, fifty-five thousand, two hundred sixty-nine".