563504399 has 2 divisors, whose sum is σ = 563504400. Its totient is φ = 563504398.

The previous prime is 563504387. The next prime is 563504443. The reversal of 563504399 is 993405365.

It is an a-pointer prime, because the next prime (563504443) can be obtained adding 563504399 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563504399 - 2²⁴ = 546727183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563504309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281752199 + 281752200.

It is an arithmetic number, because the mean of its divisors is an integer number (281752200).

Almost surely, 2^563504399 is an apocalyptic number.

563504399 is a deficient number, since it is larger than the sum of its proper divisors (1).

563504399 is an equidigital number, since it uses as much as digits as its factorization.

563504399 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 563504399 is about 23738.2475974955. The cubic root of 563504399 is about 825.9728463618.

The spelling of 563504399 in words is "five hundred sixty-three million, five hundred four thousand, three hundred ninety-nine".