563806530 has 192 divisors, whose sum is σ = 1805027328. Its totient is φ = 119162880.

The previous prime is 563806519. The next prime is 563806553. The reversal of 563806530 is 35608365.

563806530 is a `hidden beast` number, since 563 + 8 + 0 + 65 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 652879 + ... + 653741.

It is an arithmetic number, because the mean of its divisors is an integer number (9401184).

Almost surely, 2^563806530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563806530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902513664).

563806530 is an abundant number, since it is smaller than the sum of its proper divisors (1241220798).

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

563806530 is a wasteful number, since it uses less digits than its factorization.

563806530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 958 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 563806530 is about 23744.6105463956. The cubic root of 563806530 is about 826.1204390664.

The spelling of 563806530 in words is "five hundred sixty-three million, eight hundred six thousand, five hundred thirty".