275125221617 has 2 divisors, whose sum is σ = 275125221618. Its totient is φ = 275125221616.

The previous prime is 275125221583. The next prime is 275125221641. The reversal of 275125221617 is 716122521572.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229820524816 + 45304696801 = 479396^2 + 212849^2 .

It is a cyclic number.

It is not a de Polignac number, because 275125221617 - 2²⁶ = 275058112753 is a prime.

It is not a weakly prime, because it can be changed into another prime (275125221677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137562610808 + 137562610809.

It is an arithmetic number, because the mean of its divisors is an integer number (137562610809).

Almost surely, 2^275125221617 is an apocalyptic number.

It is an amenable number.

275125221617 is a deficient number, since it is larger than the sum of its proper divisors (1).

275125221617 is an equidigital number, since it uses as much as digits as its factorization.

275125221617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 41.

The spelling of 275125221617 in words is "two hundred seventy-five billion, one hundred twenty-five million, two hundred twenty-one thousand, six hundred seventeen".