395099563 has 2 divisors, whose sum is σ = 395099564. Its totient is φ = 395099562.

The previous prime is 395099539. The next prime is 395099591. The reversal of 395099563 is 365990593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395099563 - 2⁹ = 395099051 is a prime.

It is a super-2 number, since 2×395099563² = 312207329365581938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (395099513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197549781 + 197549782.

It is an arithmetic number, because the mean of its divisors is an integer number (197549782).

Almost surely, 2^395099563 is an apocalyptic number.

395099563 is a deficient number, since it is larger than the sum of its proper divisors (1).

395099563 is an equidigital number, since it uses as much as digits as its factorization.

395099563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 984150, while the sum is 49.

The square root of 395099563 is about 19877.1115356331. Note that the first 3 decimals coincide. The cubic root of 395099563 is about 733.7850339514.

The spelling of 395099563 in words is "three hundred ninety-five million, ninety-nine thousand, five hundred sixty-three".