105285863 has 4 divisors (see below), whose sum is σ = 108916440. Its totient is φ = 101655288.

The previous prime is 105285857. The next prime is 105285871. The reversal of 105285863 is 368582501.

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 105285863 - 2⁴ = 105285847 is a prime.

It is a super-2 number, since 2×105285863² = 22170225895309538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105285823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815245 + ... + 1815302.

It is an arithmetic number, because the mean of its divisors is an integer number (27229110).

Almost surely, 2^105285863 is an apocalyptic number.

105285863 is a deficient number, since it is larger than the sum of its proper divisors (3630577).

105285863 is an equidigital number, since it uses as much as digits as its factorization.

105285863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630576.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 105285863 is about 10260.8899711477. The cubic root of 105285863 is about 472.1971415658.

The spelling of 105285863 in words is "one hundred five million, two hundred eighty-five thousand, eight hundred sixty-three".