275456 has 22 divisors (see below), whose sum is σ = 552690. Its totient is φ = 137216.

The previous prime is 275453. The next prime is 275459. The reversal of 275456 is 654572.

It is an interprime number because it is at equal distance from previous prime (275453) and next prime (275459).

It can be written as a sum of positive squares in only one way, i.e., 173056 + 102400 = 416^2 + 320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 890 + ... + 1158.

275456 is a Friedman number, since it can be written as (4^7-6^5)*2^5, using all its digits and the basic arithmetic operations.

2²⁷⁵⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276345).

275456 is an abundant number, since it is smaller than the sum of its proper divisors (277234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275456 is an equidigital number, since it uses as much as digits as its factorization.

275456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 271 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 275456 is about 524.8390229394. The cubic root of 275456 is about 65.0654961120.

The spelling of 275456 in words is "two hundred seventy-five thousand, four hundred fifty-six".