274186313 has 2 divisors, whose sum is σ = 274186314. Its totient is φ = 274186312.

The previous prime is 274186273. The next prime is 274186333. The reversal of 274186313 is 313681472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219839929 + 54346384 = 14827^2 + 7372^2 .

It is a cyclic number.

It is not a de Polignac number, because 274186313 - 2⁸ = 274186057 is a prime.

It is a super-3 number, since 3×274186313³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (274186333) 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, 137093156 + 137093157.

It is an arithmetic number, because the mean of its divisors is an integer number (137093157).

Almost surely, 2^274186313 is an apocalyptic number.

It is an amenable number.

274186313 is a deficient number, since it is larger than the sum of its proper divisors (1).

274186313 is an equidigital number, since it uses as much as digits as its factorization.

274186313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 274186313 is about 16558.5721908624. The cubic root of 274186313 is about 649.6537114049.

The spelling of 274186313 in words is "two hundred seventy-four million, one hundred eighty-six thousand, three hundred thirteen".