275385284 has 6 divisors (see below), whose sum is σ = 481924254. Its totient is φ = 137692640.

The previous prime is 275385269. The next prime is 275385289. The reversal of 275385284 is 482583572.

It can be written as a sum of positive squares in only one way, i.e., 145926400 + 129458884 = 12080^2 + 11378^2 .

It is not an unprimeable number, because it can be changed into a prime (275385289) 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 as a sum of consecutive naturals, namely, 34423157 + ... + 34423164.

It is an arithmetic number, because the mean of its divisors is an integer number (80320709).

Almost surely, 2^275385284 is an apocalyptic number.

It is an amenable number.

275385284 is a deficient number, since it is larger than the sum of its proper divisors (206538970).

275385284 is a wasteful number, since it uses less digits than its factorization.

275385284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68846325 (or 68846323 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 275385284 is about 16594.7366354516. The cubic root of 275385284 is about 650.5992769040.

The spelling of 275385284 in words is "two hundred seventy-five million, three hundred eighty-five thousand, two hundred eighty-four".