275442613 has 2 divisors, whose sum is σ = 275442614. Its totient is φ = 275442612.

The previous prime is 275442611. The next prime is 275442617. The reversal of 275442613 is 316244572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245925124 + 29517489 = 15682^2 + 5433^2 .

It is a cyclic number.

It is not a de Polignac number, because 275442613 - 2¹ = 275442611 is a prime.

Together with 275442611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275442611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137721306 + 137721307.

It is an arithmetic number, because the mean of its divisors is an integer number (137721307).

Almost surely, 2^275442613 is an apocalyptic number.

It is an amenable number.

275442613 is a deficient number, since it is larger than the sum of its proper divisors (1).

275442613 is an equidigital number, since it uses as much as digits as its factorization.

275442613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 275442613 is about 16596.4638703550. The cubic root of 275442613 is about 650.6444204661.

The spelling of 275442613 in words is "two hundred seventy-five million, four hundred forty-two thousand, six hundred thirteen".