563395409 has 2 divisors, whose sum is σ = 563395410. Its totient is φ = 563395408.

The previous prime is 563395379. The next prime is 563395507. The reversal of 563395409 is 904593365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 555639184 + 7756225 = 23572^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 563395409 - 2²⁰ = 562346833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 563395409.

It is not a weakly prime, because it can be changed into another prime (563392409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281697704 + 281697705.

It is an arithmetic number, because the mean of its divisors is an integer number (281697705).

Almost surely, 2^563395409 is an apocalyptic number.

It is an amenable number.

563395409 is a deficient number, since it is larger than the sum of its proper divisors (1).

563395409 is an equidigital number, since it uses as much as digits as its factorization.

563395409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 563395409 is about 23735.9518241843. The cubic root of 563395409 is about 825.9195911815.

The spelling of 563395409 in words is "five hundred sixty-three million, three hundred ninety-five thousand, four hundred nine".