275616349 has 2 divisors, whose sum is σ = 275616350. Its totient is φ = 275616348.

The previous prime is 275616347. The next prime is 275616389. The reversal of 275616349 is 943616572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270372249 + 5244100 = 16443^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 275616349 - 2¹ = 275616347 is a prime.

Together with 275616347, 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 (275616347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137808174 + 137808175.

It is an arithmetic number, because the mean of its divisors is an integer number (137808175).

Almost surely, 2^275616349 is an apocalyptic number.

It is an amenable number.

275616349 is a deficient number, since it is larger than the sum of its proper divisors (1).

275616349 is an equidigital number, since it uses as much as digits as its factorization.

275616349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 275616349 is about 16601.6971722773. The cubic root of 275616349 is about 650.7811901539.

The spelling of 275616349 in words is "two hundred seventy-five million, six hundred sixteen thousand, three hundred forty-nine".