105258805 has 4 divisors (see below), whose sum is σ = 126310572. Its totient is φ = 84207040.

The previous prime is 105258799. The next prime is 105258817. The reversal of 105258805 is 508852501.

It is a happy number.

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 57896881 + 47361924 = 7609^2 + 6882^2 .

It is not a de Polignac number, because 105258805 - 2¹¹ = 105256757 is a prime.

It is a super-2 number, since 2×105258805² = 22158832060056050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 10525876 + ... + 10525885.

It is an arithmetic number, because the mean of its divisors is an integer number (31577643).

Almost surely, 2^105258805 is an apocalyptic number.

It is an amenable number.

105258805 is a deficient number, since it is larger than the sum of its proper divisors (21051767).

105258805 is an equidigital number, since it uses as much as digits as its factorization.

105258805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21051766.

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 105258805 is about 10259.5713848094. The cubic root of 105258805 is about 472.1566872428.

The spelling of 105258805 in words is "one hundred five million, two hundred fifty-eight thousand, eight hundred five".