563994367 has 4 divisors (see below), whose sum is σ = 579237496. Its totient is φ = 548751240.

The previous prime is 563994341. The next prime is 563994391. The reversal of 563994367 is 763499365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 563994367 - 2¹⁵ = 563961599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563994337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7621509 + ... + 7621582.

It is an arithmetic number, because the mean of its divisors is an integer number (144809374).

Almost surely, 2^563994367 is an apocalyptic number.

563994367 is a deficient number, since it is larger than the sum of its proper divisors (15243129).

563994367 is a wasteful number, since it uses less digits than its factorization.

563994367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15243128.

The product of its digits is 3674160, while the sum is 52.

The square root of 563994367 is about 23748.5655777354. The cubic root of 563994367 is about 826.2121719258.

The spelling of 563994367 in words is "five hundred sixty-three million, nine hundred ninety-four thousand, three hundred sixty-seven".