275230609 has 2 divisors, whose sum is σ = 275230610. Its totient is φ = 275230608.

The previous prime is 275230601. The next prime is 275230633. The reversal of 275230609 is 906032572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261145600 + 14085009 = 16160^2 + 3753^2 .

It is a cyclic number.

It is not a de Polignac number, because 275230609 - 2³ = 275230601 is a prime.

It is not a weakly prime, because it can be changed into another prime (275230601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137615304 + 137615305.

It is an arithmetic number, because the mean of its divisors is an integer number (137615305).

Almost surely, 2^275230609 is an apocalyptic number.

It is an amenable number.

275230609 is a deficient number, since it is larger than the sum of its proper divisors (1).

275230609 is an equidigital number, since it uses as much as digits as its factorization.

275230609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 275230609 is about 16590.0756176697. The cubic root of 275230609 is about 650.4774472404.

The spelling of 275230609 in words is "two hundred seventy-five million, two hundred thirty thousand, six hundred nine".