105501563 has 4 divisors (see below), whose sum is σ = 105777408. Its totient is φ = 105225720.

The previous prime is 105501503. The next prime is 105501581. The reversal of 105501563 is 365105501.

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 105501563 - 2¹⁴ = 105485179 is a prime.

It is a super-2 number, since 2×105501563² = 22261159590885938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105501503) 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, 137348 + ... + 138113.

It is an arithmetic number, because the mean of its divisors is an integer number (26444352).

Almost surely, 2^105501563 is an apocalyptic number.

105501563 is a deficient number, since it is larger than the sum of its proper divisors (275845).

105501563 is an equidigital number, since it uses as much as digits as its factorization.

105501563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275844.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 105501563 is about 10271.3953774548. The cubic root of 105501563 is about 472.5193863065.

The spelling of 105501563 in words is "one hundred five million, five hundred one thousand, five hundred sixty-three".