275965849 has 2 divisors, whose sum is σ = 275965850. Its totient is φ = 275965848.

The previous prime is 275965841. The next prime is 275965871. The reversal of 275965849 is 948569572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197908624 + 78057225 = 14068^2 + 8835^2 .

It is a cyclic number.

It is not a de Polignac number, because 275965849 - 2³ = 275965841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275965849.

It is not a weakly prime, because it can be changed into another prime (275965841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137982924 + 137982925.

It is an arithmetic number, because the mean of its divisors is an integer number (137982925).

Almost surely, 2^275965849 is an apocalyptic number.

It is an amenable number.

275965849 is a deficient number, since it is larger than the sum of its proper divisors (1).

275965849 is an equidigital number, since it uses as much as digits as its factorization.

275965849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 55.

The square root of 275965849 is about 16612.2198697224. The cubic root of 275965849 is about 651.0561520163.

The spelling of 275965849 in words is "two hundred seventy-five million, nine hundred sixty-five thousand, eight hundred forty-nine".