275242163 has 6 divisors (see below), whose sum is σ = 320179716. Its totient is φ = 235921812.

The previous prime is 275242157. The next prime is 275242169. The reversal of 275242163 is 361242572.

It is an interprime number because it is at equal distance from previous prime (275242157) and next prime (275242169).

It is not a de Polignac number, because 275242163 - 2¹⁴ = 275225779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275242169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2808545 + ... + 2808642.

It is an arithmetic number, because the mean of its divisors is an integer number (53363286).

Almost surely, 2^275242163 is an apocalyptic number.

275242163 is a deficient number, since it is larger than the sum of its proper divisors (44937553).

275242163 is an equidigital number, since it uses as much as digits as its factorization.

275242163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617201 (or 5617194 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 275242163 is about 16590.4238342485. The cubic root of 275242163 is about 650.4865493182.

The spelling of 275242163 in words is "two hundred seventy-five million, two hundred forty-two thousand, one hundred sixty-three".