563218425 has 288 divisors, whose sum is σ = 1392768000. Its totient is φ = 210470400.

The previous prime is 563218421. The next prime is 563218441. The reversal of 563218425 is 524812365.

563218425 is a `hidden beast` number, since 5 + 632 + 18 + 4 + 2 + 5 = 666.

It is not a de Polignac number, because 563218425 - 2² = 563218421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 563218425.

It is not an unprimeable number, because it can be changed into a prime (563218421) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 9546046 + ... + 9546104.

It is an arithmetic number, because the mean of its divisors is an integer number (4836000).

Almost surely, 2^563218425 is an apocalyptic number.

563218425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

563218425 is an abundant number, since it is smaller than the sum of its proper divisors (829549575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563218425 is a wasteful number, since it uses less digits than its factorization.

563218425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 133 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 563218425 is about 23732.2233471708. The cubic root of 563218425 is about 825.8330978356.

It can be divided in two parts, 56321 and 8425, that added together give a palindrome (64746).

The spelling of 563218425 in words is "five hundred sixty-three million, two hundred eighteen thousand, four hundred twenty-five".