563426915 has 4 divisors (see below), whose sum is σ = 676112304. Its totient is φ = 450741528.

The previous prime is 563426887. The next prime is 563426933. The reversal of 563426915 is 519624365.

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 563426915 - 2²⁰ = 562378339 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56342687 + ... + 56342696.

It is an arithmetic number, because the mean of its divisors is an integer number (169028076).

Almost surely, 2^563426915 is an apocalyptic number.

563426915 is a deficient number, since it is larger than the sum of its proper divisors (112685389).

563426915 is a wasteful number, since it uses less digits than its factorization.

563426915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112685388.

The product of its digits is 194400, while the sum is 41.

The square root of 563426915 is about 23736.6154916829. The cubic root of 563426915 is about 825.9349864895.

The spelling of 563426915 in words is "five hundred sixty-three million, four hundred twenty-six thousand, nine hundred fifteen".