275297563 has 4 divisors (see below), whose sum is σ = 275781960. Its totient is φ = 274813168.

The previous prime is 275297537. The next prime is 275297579. The reversal of 275297563 is 365792572.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275297563 - 2⁵ = 275297531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275297063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241345 + ... + 242482.

It is an arithmetic number, because the mean of its divisors is an integer number (68945490).

Almost surely, 2^275297563 is an apocalyptic number.

275297563 is a deficient number, since it is larger than the sum of its proper divisors (484397).

275297563 is an equidigital number, since it uses as much as digits as its factorization.

275297563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484396.

The product of its digits is 793800, while the sum is 46.

The square root of 275297563 is about 16592.0933881171. The cubic root of 275297563 is about 650.5301891164.

The spelling of 275297563 in words is "two hundred seventy-five million, two hundred ninety-seven thousand, five hundred sixty-three".