275244313 has 2 divisors, whose sum is σ = 275244314. Its totient is φ = 275244312.

The previous prime is 275244311. The next prime is 275244329. The reversal of 275244313 is 313442572.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169833024 + 105411289 = 13032^2 + 10267^2 .

It is a cyclic number.

It is not a de Polignac number, because 275244313 - 2¹ = 275244311 is a prime.

Together with 275244311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (275244311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137622156 + 137622157.

It is an arithmetic number, because the mean of its divisors is an integer number (137622157).

Almost surely, 2^275244313 is an apocalyptic number.

It is an amenable number.

275244313 is a deficient number, since it is larger than the sum of its proper divisors (1).

275244313 is an equidigital number, since it uses as much as digits as its factorization.

275244313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 275244313 is about 16590.4886305377. The cubic root of 275244313 is about 650.4882430297.

Adding to 275244313 its reverse (313442572), we get a palindrome (588686885).

The spelling of 275244313 in words is "two hundred seventy-five million, two hundred forty-four thousand, three hundred thirteen".