275530049 has 2 divisors, whose sum is σ = 275530050. Its totient is φ = 275530048.

The previous prime is 275529997. The next prime is 275530061. The reversal of 275530049 is 940035572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188238400 + 87291649 = 13720^2 + 9343^2 .

It is a cyclic number.

It is not a de Polignac number, because 275530049 - 2²⁴ = 258752833 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_14996123 and since 275530049 and 14996123 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (275530249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137765024 + 137765025.

It is an arithmetic number, because the mean of its divisors is an integer number (137765025).

Almost surely, 2^275530049 is an apocalyptic number.

It is an amenable number.

275530049 is a deficient number, since it is larger than the sum of its proper divisors (1).

275530049 is an equidigital number, since it uses as much as digits as its factorization.

275530049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 275530049 is about 16599.0978369308. The cubic root of 275530049 is about 650.7132596414.

The spelling of 275530049 in words is "two hundred seventy-five million, five hundred thirty thousand, forty-nine".