275830019 has 2 divisors, whose sum is σ = 275830020. Its totient is φ = 275830018.

The previous prime is 275830013. The next prime is 275830081. The reversal of 275830019 is 910038572.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275830019 is a prime.

It is a super-2 number, since 2×275830019² = 152164398763080722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275830013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137915009 + 137915010.

It is an arithmetic number, because the mean of its divisors is an integer number (137915010).

Almost surely, 2^275830019 is an apocalyptic number.

275830019 is a deficient number, since it is larger than the sum of its proper divisors (1).

275830019 is an equidigital number, since it uses as much as digits as its factorization.

275830019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 275830019 is about 16608.1311109950. The cubic root of 275830019 is about 650.9493181812.

The spelling of 275830019 in words is "two hundred seventy-five million, eight hundred thirty thousand, nineteen".