27575 has 6 divisors (see below), whose sum is σ = 34224. Its totient is φ = 22040.

The previous prime is 27551. The next prime is 27581. The reversal of 27575 is 57572.

It is a de Polignac number, because none of the positive numbers 2^k-27575 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 527 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (5704).

2²⁷⁵⁷⁵ is an apocalyptic number.

27575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27575 is a deficient number, since it is larger than the sum of its proper divisors (6649).

27575 is a wasteful number, since it uses less digits than its factorization.

27575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1108 counting only the distinct ones).

The product of its digits is 2450, while the sum is 26.

The square root of 27575 is about 166.0572190542. The cubic root of 27575 is about 30.2114688250.

The spelling of 27575 in words is "twenty-seven thousand, five hundred seventy-five".