275000 has 48 divisors (see below), whose sum is σ = 703080. Its totient is φ = 100000.

The previous prime is 274993. The next prime is 275003. The reversal of 275000 is 572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275003) by changing a digit.

275000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 11 ways as a sum of consecutive naturals, for example, 24995 + ... + 25005.

2²⁷⁵⁰⁰⁰ is an apocalyptic number.

275000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351540).

275000 is an abundant number, since it is smaller than the sum of its proper divisors (428080).

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

275000 is an equidigital number, since it uses as much as digits as its factorization.

275000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 14.

The square root of 275000 is about 524.4044240851. The cubic root of 275000 is about 65.0295723426.

Adding to 275000 its reverse (572), we get a palindrome (275572).

The spelling of 275000 in words is "two hundred seventy-five thousand".