274257 has 12 divisors (see below), whose sum is σ = 409344. Its totient is φ = 176760.

The previous prime is 274243. The next prime is 274259. The reversal of 274257 is 752472.

It is not a de Polignac number, because 274257 - 2¹⁰ = 273233 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 274257.

It is not an unprimeable number, because it can be changed into a prime (274259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213 + ... + 770.

It is an arithmetic number, because the mean of its divisors is an integer number (34112).

2²⁷⁴²⁵⁷ is an apocalyptic number.

It is an amenable number.

274257 is a deficient number, since it is larger than the sum of its proper divisors (135087).

274257 is a wasteful number, since it uses less digits than its factorization.

274257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 1017 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 274257 is about 523.6955222264. The cubic root of 274257 is about 64.9709534914.

The spelling of 274257 in words is "two hundred seventy-four thousand, two hundred fifty-seven".