563309945 has 8 divisors (see below), whose sum is σ = 737424000. Its totient is φ = 409679920.

The previous prime is 563309939. The next prime is 563310017. The reversal of 563309945 is 549903365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 563309945 - 2⁸ = 563309689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563309896 and 563309905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5120945 + ... + 5121054.

It is an arithmetic number, because the mean of its divisors is an integer number (92178000).

Almost surely, 2^563309945 is an apocalyptic number.

563309945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

563309945 is a deficient number, since it is larger than the sum of its proper divisors (174114055).

563309945 is a wasteful number, since it uses less digits than its factorization.

563309945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242015.

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

The square root of 563309945 is about 23734.1514489143. The cubic root of 563309945 is about 825.8778265757.

The spelling of 563309945 in words is "five hundred sixty-three million, three hundred nine thousand, nine hundred forty-five".