275861313 has 24 divisors (see below), whose sum is σ = 490421568. Its totient is φ = 145508832.

The previous prime is 275861309. The next prime is 275861347. The reversal of 275861313 is 313168572.

275861313 is a `hidden beast` number, since 27 + 5 + 8 + 613 + 13 = 666.

It is not a de Polignac number, because 275861313 - 2² = 275861309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275861303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167595 + ... + 169232.

It is an arithmetic number, because the mean of its divisors is an integer number (20434232).

Almost surely, 2^275861313 is an apocalyptic number.

It is an amenable number.

275861313 is a deficient number, since it is larger than the sum of its proper divisors (214560255).

275861313 is a wasteful number, since it uses less digits than its factorization.

275861313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336853 (or 336850 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 275861313 is about 16609.0732131567. The cubic root of 275861313 is about 650.9739348367.

The spelling of 275861313 in words is "two hundred seventy-five million, eight hundred sixty-one thousand, three hundred thirteen".