275427563 has 2 divisors, whose sum is σ = 275427564. Its totient is φ = 275427562.

The previous prime is 275427521. The next prime is 275427583. The reversal of 275427563 is 365724572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275427563 - 2²⁶ = 208318699 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275427563.

It is not a weakly prime, because it can be changed into another prime (275427583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137713781 + 137713782.

It is an arithmetic number, because the mean of its divisors is an integer number (137713782).

Almost surely, 2^275427563 is an apocalyptic number.

275427563 is a deficient number, since it is larger than the sum of its proper divisors (1).

275427563 is an equidigital number, since it uses as much as digits as its factorization.

275427563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 41.

The square root of 275427563 is about 16596.0104543231. The cubic root of 275427563 is about 650.6325699917.

The spelling of 275427563 in words is "two hundred seventy-five million, four hundred twenty-seven thousand, five hundred sixty-three".