105583505 has 4 divisors (see below), whose sum is σ = 126700212. Its totient is φ = 84466800.

The previous prime is 105583483. The next prime is 105583523. The reversal of 105583505 is 505385501.

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 68178049 + 37405456 = 8257^2 + 6116^2 .

It is not a de Polignac number, because 105583505 - 2¹⁰ = 105582481 is a prime.

It is a super-2 number, since 2×105583505² = 22295753056170050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10558346 + ... + 10558355.

It is an arithmetic number, because the mean of its divisors is an integer number (31675053).

Almost surely, 2^105583505 is an apocalyptic number.

It is an amenable number.

105583505 is a deficient number, since it is larger than the sum of its proper divisors (21116707).

105583505 is an equidigital number, since it uses as much as digits as its factorization.

105583505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21116706.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 105583505 is about 10275.3834478330. The cubic root of 105583505 is about 472.6416883290.

The spelling of 105583505 in words is "one hundred five million, five hundred eighty-three thousand, five hundred five".