275486481 has 8 divisors (see below), whose sum is σ = 408128160. Its totient is φ = 183657636.

The previous prime is 275486473. The next prime is 275486483. The reversal of 275486481 is 184684572.

275486481 is a `hidden beast` number, since 27 + 548 + 6 + 4 + 81 = 666.

It is not a de Polignac number, because 275486481 - 2³ = 275486473 is a prime.

It is a super-2 number, since 2×275486481² = 151785602427526722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275486483) 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 7 ways as a sum of consecutive naturals, for example, 5101575 + ... + 5101628.

It is an arithmetic number, because the mean of its divisors is an integer number (51016020).

Almost surely, 2^275486481 is an apocalyptic number.

It is an amenable number.

275486481 is a deficient number, since it is larger than the sum of its proper divisors (132641679).

275486481 is a wasteful number, since it uses less digits than its factorization.

275486481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203212 (or 10203206 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 275486481 is about 16597.7854245679. The cubic root of 275486481 is about 650.6789599709.

The spelling of 275486481 in words is "two hundred seventy-five million, four hundred eighty-six thousand, four hundred eighty-one".