108001563 has 4 divisors (see below), whose sum is σ = 144002088. Its totient is φ = 72001040.

The previous prime is 108001541. The next prime is 108001591. The reversal of 108001563 is 365100801.

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

It is a cyclic number.

It is not a de Polignac number, because 108001563 - 2¹⁰ = 108000539 is a prime.

It is a super-2 number, since 2×108001563² = 23328675220885938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108001163) 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, 18000258 + ... + 18000263.

It is an arithmetic number, because the mean of its divisors is an integer number (36000522).

Almost surely, 2^108001563 is an apocalyptic number.

108001563 is a deficient number, since it is larger than the sum of its proper divisors (36000525).

108001563 is an equidigital number, since it uses as much as digits as its factorization.

108001563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36000524.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 108001563 is about 10392.3800450138. The cubic root of 108001563 is about 476.2226129015. Note that the first 3 decimals are identical.

The spelling of 108001563 in words is "one hundred eight million, one thousand, five hundred sixty-three".