275640283 has 2 divisors, whose sum is σ = 275640284. Its totient is φ = 275640282.

The previous prime is 275640259. The next prime is 275640307. The reversal of 275640283 is 382046572.

It is a balanced prime because it is at equal distance from previous prime (275640259) and next prime (275640307).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275640283 is a prime.

It is a super-2 number, since 2×275640283² = 151955131224640178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275640203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137820141 + 137820142.

It is an arithmetic number, because the mean of its divisors is an integer number (137820142).

Almost surely, 2^275640283 is an apocalyptic number.

275640283 is a deficient number, since it is larger than the sum of its proper divisors (1).

275640283 is an equidigital number, since it uses as much as digits as its factorization.

275640283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 275640283 is about 16602.4179865464. The cubic root of 275640283 is about 650.8000271426.

The spelling of 275640283 in words is "two hundred seventy-five million, six hundred forty thousand, two hundred eighty-three".