563375321 has 8 divisors (see below), whose sum is σ = 578520264. Its totient is φ = 548421120.

The previous prime is 563375311. The next prime is 563375339. The reversal of 563375321 is 123573365.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5470921 + 557904400 = 2339^2 + 23620^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 563375321 - 2²⁶ = 496266457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563375311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41690 + ... + 53523.

It is an arithmetic number, because the mean of its divisors is an integer number (72315033).

Almost surely, 2^563375321 is an apocalyptic number.

It is an amenable number.

563375321 is a deficient number, since it is larger than the sum of its proper divisors (15144943).

563375321 is an equidigital number, since it uses as much as digits as its factorization.

563375321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95371.

The product of its digits is 56700, while the sum is 35.

The square root of 563375321 is about 23735.5286648518. The cubic root of 563375321 is about 825.9097749437.

The spelling of 563375321 in words is "five hundred sixty-three million, three hundred seventy-five thousand, three hundred twenty-one".