275016261 has 16 divisors (see below), whose sum is σ = 404081216. Its totient is φ = 165303936.

The previous prime is 275016239. The next prime is 275016271. The reversal of 275016261 is 162610572.

It is not a de Polignac number, because 275016261 - 2⁵ = 275016229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275016211) 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 in 15 ways as a sum of consecutive naturals, for example, 80320 + ... + 83673.

It is an arithmetic number, because the mean of its divisors is an integer number (25255076).

Almost surely, 2^275016261 is an apocalyptic number.

It is an amenable number.

275016261 is a deficient number, since it is larger than the sum of its proper divisors (129064955).

275016261 is a wasteful number, since it uses less digits than its factorization.

275016261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164052.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 275016261 is about 16583.6142321268. The cubic root of 275016261 is about 650.3085406988.

The spelling of 275016261 in words is "two hundred seventy-five million, sixteen thousand, two hundred sixty-one".