275828257 has 8 divisors (see below), whose sum is σ = 277839360. Its totient is φ = 273823440.

The previous prime is 275828243. The next prime is 275828261. The reversal of 275828257 is 752828572.

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 275828257 - 2²⁷ = 141610529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275822257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 117063 + ... + 119395.

It is an arithmetic number, because the mean of its divisors is an integer number (34729920).

Almost surely, 2^275828257 is an apocalyptic number.

It is an amenable number.

275828257 is a deficient number, since it is larger than the sum of its proper divisors (2011103).

275828257 is a wasteful number, since it uses less digits than its factorization.

275828257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143.

The product of its digits is 627200, while the sum is 46.

The square root of 275828257 is about 16608.0780646046. The cubic root of 275828257 is about 650.9479320919.

The spelling of 275828257 in words is "two hundred seventy-five million, eight hundred twenty-eight thousand, two hundred fifty-seven".