275584481 has 2 divisors, whose sum is σ = 275584482. Its totient is φ = 275584480.

The previous prime is 275584427. The next prime is 275584499. The reversal of 275584481 is 184485572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232288081 + 43296400 = 15241^2 + 6580^2 .

It is a cyclic number.

It is not a de Polignac number, because 275584481 - 2¹⁰ = 275583457 is a prime.

It is a super-2 number, since 2×275584481² = 151893612336078722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (275584181) 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 as a sum of consecutive naturals, namely, 137792240 + 137792241.

It is an arithmetic number, because the mean of its divisors is an integer number (137792241).

Almost surely, 2^275584481 is an apocalyptic number.

It is an amenable number.

275584481 is a deficient number, since it is larger than the sum of its proper divisors (1).

275584481 is an equidigital number, since it uses as much as digits as its factorization.

275584481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 358400, while the sum is 44.

The square root of 275584481 is about 16600.7373631414. The cubic root of 275584481 is about 650.7561071059.

The spelling of 275584481 in words is "two hundred seventy-five million, five hundred eighty-four thousand, four hundred eighty-one".