275641133 has 2 divisors, whose sum is σ = 275641134. Its totient is φ = 275641132.

The previous prime is 275641063. The next prime is 275641139. The reversal of 275641133 is 331146572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157201444 + 118439689 = 12538^2 + 10883^2 .

It is a cyclic number.

It is not a de Polignac number, because 275641133 - 2⁸ = 275640877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 275641133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275641139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137820566 + 137820567.

It is an arithmetic number, because the mean of its divisors is an integer number (137820567).

Almost surely, 2^275641133 is an apocalyptic number.

It is an amenable number.

275641133 is a deficient number, since it is larger than the sum of its proper divisors (1).

275641133 is an equidigital number, since it uses as much as digits as its factorization.

275641133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 275641133 is about 16602.4435852076. The cubic root of 275641133 is about 650.8006961056.

The spelling of 275641133 in words is "two hundred seventy-five million, six hundred forty-one thousand, one hundred thirty-three".