275009 has 8 divisors (see below), whose sum is σ = 332928. Its totient is φ = 221760.

The previous prime is 275003. The next prime is 275027. The reversal of 275009 is 900572.

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

It is not a de Polignac number, because 275009 - 2⁴ = 274993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275003) 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, 1037 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (41616).

2²⁷⁵⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

275009 is a deficient number, since it is larger than the sum of its proper divisors (57919).

275009 is a wasteful number, since it uses less digits than its factorization.

275009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 275009 is about 524.4130051782. The cubic root of 275009 is about 65.0302817483.

The spelling of 275009 in words is "two hundred seventy-five thousand, nine".