275087285 has 16 divisors (see below), whose sum is σ = 381298752. Its totient is φ = 188294400.

The previous prime is 275087269. The next prime is 275087303. The reversal of 275087285 is 582780572.

It is not a de Polignac number, because 275087285 - 2⁴ = 275087269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146171 + ... + 148040.

It is an arithmetic number, because the mean of its divisors is an integer number (23831172).

Almost surely, 2^275087285 is an apocalyptic number.

It is an amenable number.

275087285 is a deficient number, since it is larger than the sum of its proper divisors (106211467).

275087285 is a wasteful number, since it uses less digits than its factorization.

275087285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294244.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 275087285 is about 16585.7554847526. The cubic root of 275087285 is about 650.3645174353.

The spelling of 275087285 in words is "two hundred seventy-five million, eighty-seven thousand, two hundred eighty-five".