275282505 has 12 divisors (see below), whose sum is σ = 477156420. Its totient is φ = 146817312.

The previous prime is 275282473. The next prime is 275282509. The reversal of 275282505 is 505282572.

275282505 is a `hidden beast` number, since 2 + 75 + 2 + 82 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 193849929 + 81432576 = 13923^2 + 9024^2 .

It is not a de Polignac number, because 275282505 - 2⁵ = 275282473 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 275282505.

It is not an unprimeable number, because it can be changed into a prime (275282509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3058650 + ... + 3058739.

It is an arithmetic number, because the mean of its divisors is an integer number (39763035).

Almost surely, 2^275282505 is an apocalyptic number.

It is an amenable number.

275282505 is a deficient number, since it is larger than the sum of its proper divisors (201873915).

275282505 is a wasteful number, since it uses less digits than its factorization.

275282505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117400 (or 6117397 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 275282505 is about 16591.6396115634. The cubic root of 275282505 is about 650.5183281781.

The spelling of 275282505 in words is "two hundred seventy-five million, two hundred eighty-two thousand, five hundred five".