563530393 has 4 divisors (see below), whose sum is σ = 564271668. Its totient is φ = 562789120.

The previous prime is 563530381. The next prime is 563530439. The reversal of 563530393 is 393035365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197458704 + 366071689 = 14052^2 + 19133^2 .

It is a cyclic number.

It is not a de Polignac number, because 563530393 - 2²⁵ = 529975961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563530333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369496 + ... + 371017.

It is an arithmetic number, because the mean of its divisors is an integer number (141067917).

Almost surely, 2^563530393 is an apocalyptic number.

It is an amenable number.

563530393 is a deficient number, since it is larger than the sum of its proper divisors (741275).

563530393 is an equidigital number, since it uses as much as digits as its factorization.

563530393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741274.

The product of its (nonzero) digits is 109350, while the sum is 37.

The square root of 563530393 is about 23738.7951042171. The cubic root of 563530393 is about 825.9855466519.

The spelling of 563530393 in words is "five hundred sixty-three million, five hundred thirty thousand, three hundred ninety-three".