275505065 has 16 divisors (see below), whose sum is σ = 361670400. Its totient is φ = 199806720.

The previous prime is 275505059. The next prime is 275505067. The reversal of 275505065 is 560505572.

It is not a de Polignac number, because 275505065 - 2⁴ = 275505049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275505067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13361 + ... + 27009.

It is an arithmetic number, because the mean of its divisors is an integer number (22604400).

Almost surely, 2^275505065 is an apocalyptic number.

It is an amenable number.

275505065 is a deficient number, since it is larger than the sum of its proper divisors (86165335).

275505065 is a wasteful number, since it uses less digits than its factorization.

275505065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14032.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 275505065 is about 16598.3452488494. The cubic root of 275505065 is about 650.6935909924.

The spelling of 275505065 in words is "two hundred seventy-five million, five hundred five thousand, sixty-five".