275101009 has 2 divisors, whose sum is σ = 275101010. Its totient is φ = 275101008.

The previous prime is 275101007. The next prime is 275101027. The reversal of 275101009 is 900101572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266995600 + 8105409 = 16340^2 + 2847^2 .

It is a cyclic number.

It is not a de Polignac number, because 275101009 - 2¹ = 275101007 is a prime.

Together with 275101007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (275101007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137550504 + 137550505.

It is an arithmetic number, because the mean of its divisors is an integer number (137550505).

Almost surely, 2^275101009 is an apocalyptic number.

It is an amenable number.

275101009 is a deficient number, since it is larger than the sum of its proper divisors (1).

275101009 is an equidigital number, since it uses as much as digits as its factorization.

275101009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 275101009 is about 16586.1692081083. The cubic root of 275101009 is about 650.3753327349.

The spelling of 275101009 in words is "two hundred seventy-five million, one hundred one thousand, nine".