275413217 has 2 divisors, whose sum is σ = 275413218. Its totient is φ = 275413216.

The previous prime is 275413213. The next prime is 275413219. The reversal of 275413217 is 712314572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148084561 + 127328656 = 12169^2 + 11284^2 .

It is a cyclic number.

It is not a de Polignac number, because 275413217 - 2² = 275413213 is a prime.

Together with 275413219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275413211) 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, 137706608 + 137706609.

It is an arithmetic number, because the mean of its divisors is an integer number (137706609).

Almost surely, 2^275413217 is an apocalyptic number.

It is an amenable number.

275413217 is a deficient number, since it is larger than the sum of its proper divisors (1).

275413217 is an equidigital number, since it uses as much as digits as its factorization.

275413217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 32.

The square root of 275413217 is about 16595.5782363857. The cubic root of 275413217 is about 650.6212734500.

Adding to 275413217 its reverse (712314572), we get a palindrome (987727789).

The spelling of 275413217 in words is "two hundred seventy-five million, four hundred thirteen thousand, two hundred seventeen".