275316985 has 8 divisors (see below), whose sum is σ = 332598600. Its totient is φ = 218774784.

The previous prime is 275316971. The next prime is 275317001. The reversal of 275316985 is 589613572.

It can be written as a sum of positive squares in 4 ways, for example, as 16621929 + 258695056 = 4077^2 + 16084^2 .

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 275316985 - 2⁵ = 275316953 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 184032 + ... + 185521.

It is an arithmetic number, because the mean of its divisors is an integer number (41574825).

Almost surely, 2^275316985 is an apocalyptic number.

It is an amenable number.

275316985 is a deficient number, since it is larger than the sum of its proper divisors (57281615).

275316985 is a wasteful number, since it uses less digits than its factorization.

275316985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369707.

The product of its digits is 453600, while the sum is 46.

The square root of 275316985 is about 16592.6786565642. The cubic root of 275316985 is about 650.5454868668.

The spelling of 275316985 in words is "two hundred seventy-five million, three hundred sixteen thousand, nine hundred eighty-five".