105350405 has 4 divisors (see below), whose sum is σ = 126420492. Its totient is φ = 84280320.

The previous prime is 105350393. The next prime is 105350471. The reversal of 105350405 is 504053501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504053501 = 7 ⋅72007643.

It can be written as a sum of positive squares in 2 ways, for example, as 17422276 + 87928129 = 4174^2 + 9377^2 .

It is not a de Polignac number, because 105350405 - 2⁴ = 105350389 is a prime.

It is a super-2 number, since 2×105350405² = 22197415667328050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10535036 + ... + 10535045.

It is an arithmetic number, because the mean of its divisors is an integer number (31605123).

Almost surely, 2^105350405 is an apocalyptic number.

It is an amenable number.

105350405 is a deficient number, since it is larger than the sum of its proper divisors (21070087).

105350405 is an equidigital number, since it uses as much as digits as its factorization.

105350405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21070086.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 105350405 is about 10264.0345381336. The cubic root of 105350405 is about 472.2936101122.

The spelling of 105350405 in words is "one hundred five million, three hundred fifty thousand, four hundred five".