275485 has 16 divisors (see below), whose sum is σ = 400896. Its totient is φ = 177408.

The previous prime is 275461. The next prime is 275489. The reversal of 275485 is 584572.

It is not a de Polignac number, because 275485 - 2⁵ = 275453 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (25056).

2²⁷⁵⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

275485 is a deficient number, since it is larger than the sum of its proper divisors (125411).

275485 is a wasteful number, since it uses less digits than its factorization.

275485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 11200, while the sum is 31.

The square root of 275485 is about 524.8666497311. The cubic root of 275485 is about 65.0677793964.

The spelling of 275485 in words is "two hundred seventy-five thousand, four hundred eighty-five".