275320 has 16 divisors (see below), whose sum is σ = 619560. Its totient is φ = 110112.

The previous prime is 275309. The next prime is 275321. The reversal of 275320 is 23572.

It is a happy number.

275320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×275320² = 151602204800, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275321) 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, 3402 + ... + 3481.

2²⁷⁵³²⁰ is an apocalyptic number.

275320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275320 is an abundant number, since it is smaller than the sum of its proper divisors (344240).

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

275320 is a wasteful number, since it uses less digits than its factorization.

275320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 275320 is about 524.7094434065. The cubic root of 275320 is about 65.0547861569.

Adding to 275320 its reverse (23572), we get a palindrome (298892).

It can be divided in two parts, 275 and 320, that added together give a palindrome (595).

The spelling of 275320 in words is "two hundred seventy-five thousand, three hundred twenty".