274609 has 2 divisors, whose sum is σ = 274610. Its totient is φ = 274608.

The previous prime is 274591. The next prime is 274627. The reversal of 274609 is 906472.

It is a balanced prime because it is at equal distance from previous prime (274591) and next prime (274627).

It can be written as a sum of positive squares in only one way, i.e., 245025 + 29584 = 495^2 + 172^2 .

It is a cyclic number.

It is not a de Polignac number, because 274609 - 2¹³ = 266417 is a prime.

It is not a weakly prime, because it can be changed into another prime (274679) 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, 137304 + 137305.

It is an arithmetic number, because the mean of its divisors is an integer number (137305).

2²⁷⁴⁶⁰⁹ is an apocalyptic number.

It is an amenable number.

274609 is a deficient number, since it is larger than the sum of its proper divisors (1).

274609 is an equidigital number, since it uses as much as digits as its factorization.

274609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 274609 is about 524.0314876036. The cubic root of 274609 is about 64.9987376481.

The spelling of 274609 in words is "two hundred seventy-four thousand, six hundred nine".