395136563 has 2 divisors, whose sum is σ = 395136564. Its totient is φ = 395136562.

The previous prime is 395136461. The next prime is 395136601. The reversal of 395136563 is 365631593.

It is a strong prime.

It is an emirp because it is prime and its reverse (365631593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 395136563 - 2⁸ = 395136307 is a prime.

It is a super-2 number, since 2×395136563² = 312265806838905938, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 395136563.

It is not a weakly prime, because it can be changed into another prime (395136163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197568281 + 197568282.

It is an arithmetic number, because the mean of its divisors is an integer number (197568282).

Almost surely, 2^395136563 is an apocalyptic number.

395136563 is a deficient number, since it is larger than the sum of its proper divisors (1).

395136563 is an equidigital number, since it uses as much as digits as its factorization.

395136563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 218700, while the sum is 41.

The square root of 395136563 is about 19878.0422325741. The cubic root of 395136563 is about 733.8079388943.

The spelling of 395136563 in words is "three hundred ninety-five million, one hundred thirty-six thousand, five hundred sixty-three".