563321401 has 12 divisors (see below), whose sum is σ = 599460480. Its totient is φ = 529252160.

The previous prime is 563321399. The next prime is 563321417. The reversal of 563321401 is 104123365.

It is not a de Polignac number, because 563321401 - 2¹ = 563321399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563321501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206436 + ... + 209146.

It is an arithmetic number, because the mean of its divisors is an integer number (49955040).

Almost surely, 2^563321401 is an apocalyptic number.

It is an amenable number.

563321401 is a deficient number, since it is larger than the sum of its proper divisors (36139079).

563321401 is a wasteful number, since it uses less digits than its factorization.

563321401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464 (or 3447 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 563321401 is about 23734.3927876826. The cubic root of 563321401 is about 825.8834251468.

Adding to 563321401 its reverse (104123365), we get a palindrome (667444766).

The spelling of 563321401 in words is "five hundred sixty-three million, three hundred twenty-one thousand, four hundred one".