275163563 has 2 divisors, whose sum is σ = 275163564. Its totient is φ = 275163562.

The previous prime is 275163523. The next prime is 275163569. The reversal of 275163563 is 365361572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 275163563 - 2¹⁰ = 275162539 is a prime.

It is not a weakly prime, because it can be changed into another prime (275163569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137581781 + 137581782.

It is an arithmetic number, because the mean of its divisors is an integer number (137581782).

Almost surely, 2^275163563 is an apocalyptic number.

275163563 is a deficient number, since it is larger than the sum of its proper divisors (1).

275163563 is an equidigital number, since it uses as much as digits as its factorization.

275163563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 275163563 is about 16588.0548287013. The cubic root of 275163563 is about 650.4246243212.

The spelling of 275163563 in words is "two hundred seventy-five million, one hundred sixty-three thousand, five hundred sixty-three".