275487 has 8 divisors (see below), whose sum is σ = 369840. Its totient is φ = 182400.

The previous prime is 275461. The next prime is 275489. The reversal of 275487 is 784572.

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

It is not a de Polignac number, because 275487 - 2⁶ = 275423 is a prime.

275487 is a lucky number.

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 7 ways as a sum of consecutive naturals, for example, 487 + ... + 887.

It is an arithmetic number, because the mean of its divisors is an integer number (46230).

2²⁷⁵⁴⁸⁷ is an apocalyptic number.

275487 is a deficient number, since it is larger than the sum of its proper divisors (94353).

275487 is a wasteful number, since it uses less digits than its factorization.

275487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its digits is 15680, while the sum is 33.

The square root of 275487 is about 524.8685549735. The cubic root of 275487 is about 65.0679368584.

The spelling of 275487 in words is "two hundred seventy-five thousand, four hundred eighty-seven".