275867563 has 2 divisors, whose sum is σ = 275867564. Its totient is φ = 275867562.

The previous prime is 275867533. The next prime is 275867567. The reversal of 275867563 is 365768572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275867563 - 2⁹ = 275867051 is a prime.

It is a super-2 number, since 2×275867563² = 152205824631117938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275867567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137933781 + 137933782.

It is an arithmetic number, because the mean of its divisors is an integer number (137933782).

Almost surely, 2^275867563 is an apocalyptic number.

275867563 is a deficient number, since it is larger than the sum of its proper divisors (1).

275867563 is an equidigital number, since it uses as much as digits as its factorization.

275867563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 49.

The square root of 275867563 is about 16609.2613622641. The cubic root of 275867563 is about 650.9788510224.

The spelling of 275867563 in words is "two hundred seventy-five million, eight hundred sixty-seven thousand, five hundred sixty-three".