274845313 has 2 divisors, whose sum is σ = 274845314. Its totient is φ = 274845312.

The previous prime is 274845289. The next prime is 274845367. The reversal of 274845313 is 313548472.

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., 145636624 + 129208689 = 12068^2 + 11367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274845313 is a prime.

It is not a weakly prime, because it can be changed into another prime (274845713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137422656 + 137422657.

It is an arithmetic number, because the mean of its divisors is an integer number (137422657).

Almost surely, 2^274845313 is an apocalyptic number.

It is an amenable number.

274845313 is a deficient number, since it is larger than the sum of its proper divisors (1).

274845313 is an equidigital number, since it uses as much as digits as its factorization.

274845313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 274845313 is about 16578.4593071853. The cubic root of 274845313 is about 650.1737705027.

The spelling of 274845313 in words is "two hundred seventy-four million, eight hundred forty-five thousand, three hundred thirteen".