274481 has 4 divisors (see below), whose sum is σ = 277872. Its totient is φ = 271092.

The previous prime is 274471. The next prime is 274489. The reversal of 274481 is 184472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 274481 - 2¹⁰ = 273457 is a prime.

It is a super-2 number, since 2×274481² = 150679638722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 274481.

It is not an unprimeable number, because it can be changed into a prime (274489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (69468).

2²⁷⁴⁴⁸¹ is an apocalyptic number.

It is an amenable number.

274481 is a deficient number, since it is larger than the sum of its proper divisors (3391).

274481 is an equidigital number, since it uses as much as digits as its factorization.

274481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390.

The product of its digits is 1792, while the sum is 26.

The square root of 274481 is about 523.9093433028. The cubic root of 274481 is about 64.9886370670.

Subtracting from 274481 its reverse (184472), we obtain a palindrome (90009).

The spelling of 274481 in words is "two hundred seventy-four thousand, four hundred eighty-one".