275942481 has 16 divisors (see below), whose sum is σ = 378164160. Its totient is φ = 178879680.

The previous prime is 275942473. The next prime is 275942503. The reversal of 275942481 is 184249572.

It is not a de Polignac number, because 275942481 - 2³ = 275942473 is a prime.

It is a super-2 number, since 2×275942481² = 152288505640870722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275942441) 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 15 ways as a sum of consecutive naturals, for example, 24871 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (23635260).

Almost surely, 2^275942481 is an apocalyptic number.

It is an amenable number.

275942481 is a deficient number, since it is larger than the sum of its proper divisors (102221679).

275942481 is a wasteful number, since it uses less digits than its factorization.

275942481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9616.

The product of its digits is 161280, while the sum is 42.

The square root of 275942481 is about 16611.5165171636. The cubic root of 275942481 is about 651.0377749723.

The spelling of 275942481 in words is "two hundred seventy-five million, nine hundred forty-two thousand, four hundred eighty-one".