275480911 has 4 divisors (see below), whose sum is σ = 284367424. Its totient is φ = 266594400.

The previous prime is 275480897. The next prime is 275480963. The reversal of 275480911 is 119084572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275480911 - 2¹³ = 275472719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275420911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4443210 + ... + 4443271.

It is an arithmetic number, because the mean of its divisors is an integer number (71091856).

Almost surely, 2^275480911 is an apocalyptic number.

275480911 is a deficient number, since it is larger than the sum of its proper divisors (8886513).

275480911 is an equidigital number, since it uses as much as digits as its factorization.

275480911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886512.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 275480911 is about 16597.6176302504. The cubic root of 275480911 is about 650.6745746302.

The spelling of 275480911 in words is "two hundred seventy-five million, four hundred eighty thousand, nine hundred eleven".