275465 has 8 divisors (see below), whose sum is σ = 339720. Its totient is φ = 214272.

The previous prime is 275461. The next prime is 275489. The reversal of 275465 is 564572.

It can be written as a sum of positive squares in 4 ways, for example, as 41209 + 234256 = 203^2 + 484^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275465 - 2² = 275461 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (42465).

2²⁷⁵⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

275465 is a deficient number, since it is larger than the sum of its proper divisors (64255).

275465 is a wasteful number, since it uses less digits than its factorization.

275465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

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

The square root of 275465 is about 524.8475969270. The cubic root of 275465 is about 65.0662047347.

The spelling of 275465 in words is "two hundred seventy-five thousand, four hundred sixty-five".