275294813 has 2 divisors, whose sum is σ = 275294814. Its totient is φ = 275294812.

The previous prime is 275294801. The next prime is 275294863. The reversal of 275294813 is 318492572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195496324 + 79798489 = 13982^2 + 8933^2 .

It is a cyclic number.

It is not a de Polignac number, because 275294813 - 2²⁰ = 274246237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275294863) 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, 137647406 + 137647407.

It is an arithmetic number, because the mean of its divisors is an integer number (137647407).

Almost surely, 2^275294813 is an apocalyptic number.

It is an amenable number.

275294813 is a deficient number, since it is larger than the sum of its proper divisors (1).

275294813 is an equidigital number, since it uses as much as digits as its factorization.

275294813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 275294813 is about 16592.0105171133. The cubic root of 275294813 is about 650.5280230190.

The spelling of 275294813 in words is "two hundred seventy-five million, two hundred ninety-four thousand, eight hundred thirteen".