275217 has 8 divisors (see below), whose sum is σ = 369600. Its totient is φ = 182160.

The previous prime is 275207. The next prime is 275227. The reversal of 275217 is 712572.

It is an interprime number because it is at equal distance from previous prime (275207) and next prime (275227).

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

It is not a de Polignac number, because 275217 - 2⁴ = 275201 is a prime.

275217 is a lucky number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (46200).

2²⁷⁵²¹⁷ is an apocalyptic number.

It is an amenable number.

275217 is a deficient number, since it is larger than the sum of its proper divisors (94383).

275217 is a wasteful number, since it uses less digits than its factorization.

275217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 980, while the sum is 24.

The square root of 275217 is about 524.6112846670. The cubic root of 275217 is about 65.0466725936.

Adding to 275217 its reverse (712572), we get a palindrome (987789).

The spelling of 275217 in words is "two hundred seventy-five thousand, two hundred seventeen".