275997 has 8 divisors (see below), whose sum is σ = 370656. Its totient is φ = 182672.

The previous prime is 275987. The next prime is 275999. The reversal of 275997 is 799572.

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 275997 - 2⁴ = 275981 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 275997.

It is not an unprimeable number, because it can be changed into a prime (275999) 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, 358 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (46332).

2²⁷⁵⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

275997 is a deficient number, since it is larger than the sum of its proper divisors (94659).

275997 is a wasteful number, since it uses less digits than its factorization.

275997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667.

The product of its digits is 39690, while the sum is 39.

The square root of 275997 is about 525.3541662536. The cubic root of 275997 is about 65.1080648148.

The spelling of 275997 in words is "two hundred seventy-five thousand, nine hundred ninety-seven".