275813 has 2 divisors, whose sum is σ = 275814. Its totient is φ = 275812.

The previous prime is 275783. The next prime is 275827. The reversal of 275813 is 318572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209764 + 66049 = 458^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 275813 - 2¹⁴ = 259429 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275813.

It is not a weakly prime, because it can be changed into another prime (272813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137906 + 137907.

It is an arithmetic number, because the mean of its divisors is an integer number (137907).

2²⁷⁵⁸¹³ is an apocalyptic number.

It is an amenable number.

275813 is a deficient number, since it is larger than the sum of its proper divisors (1).

275813 is an equidigital number, since it uses as much as digits as its factorization.

275813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 275813 is about 525.1790170980. The cubic root of 275813 is about 65.0935929822.

The spelling of 275813 in words is "two hundred seventy-five thousand, eight hundred thirteen".