30563 has 4 divisors (see below), whose sum is σ = 32928. Its totient is φ = 28200.

The previous prime is 30559. The next prime is 30577. The reversal of 30563 is 36503.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36503 = 173 ⋅211.

It is a cyclic number.

It is not a de Polignac number, because 30563 - 2² = 30559 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (30553) 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, 1163 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (8232).

2³⁰⁵⁶³ is an apocalyptic number.

30563 is a deficient number, since it is larger than the sum of its proper divisors (2365).

30563 is a wasteful number, since it uses less digits than its factorization.

30563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 30563 is about 174.8227673960. The cubic root of 30563 is about 31.2654963144.

The spelling of 30563 in words is "thirty thousand, five hundred sixty-three".