274489 has 2 divisors, whose sum is σ = 274490. Its totient is φ = 274488.

The previous prime is 274471. The next prime is 274517. The reversal of 274489 is 984472.

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., 189225 + 85264 = 435^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 274489 - 2⁵ = 274457 is a prime.

It is a super-2 number, since 2×274489² = 150688422242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (274889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137244 + 137245.

It is an arithmetic number, because the mean of its divisors is an integer number (137245).

2²⁷⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

274489 is a deficient number, since it is larger than the sum of its proper divisors (1).

274489 is an equidigital number, since it uses as much as digits as its factorization.

274489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 274489 is about 523.9169781559. The cubic root of 274489 is about 64.9892684453.

The spelling of 274489 in words is "two hundred seventy-four thousand, four hundred eighty-nine".