275305001 has 2 divisors, whose sum is σ = 275305002. Its totient is φ = 275305000.

The previous prime is 275304977. The next prime is 275305007. The reversal of 275305001 is 100503572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219040000 + 56265001 = 14800^2 + 7501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275305001 is a prime.

It is a super-2 number, since 2×275305001² = 151585687151220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275305007) 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, 137652500 + 137652501.

It is an arithmetic number, because the mean of its divisors is an integer number (137652501).

Almost surely, 2^275305001 is an apocalyptic number.

It is an amenable number.

275305001 is a deficient number, since it is larger than the sum of its proper divisors (1).

275305001 is an equidigital number, since it uses as much as digits as its factorization.

275305001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 275305001 is about 16592.3175295074. The cubic root of 275305001 is about 650.5360477467.

Adding to 275305001 its reverse (100503572), we get a palindrome (375808573).

The spelling of 275305001 in words is "two hundred seventy-five million, three hundred five thousand, one".