105313405 has 4 divisors (see below), whose sum is σ = 126376092. Its totient is φ = 84250720.

The previous prime is 105313393. The next prime is 105313421. The reversal of 105313405 is 504313501.

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 37234404 + 68079001 = 6102^2 + 8251^2 .

It is not a de Polignac number, because 105313405 - 2¹⁹ = 104789117 is a prime.

It is a super-2 number, since 2×105313405² = 22181826545388050, 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, 10531336 + ... + 10531345.

It is an arithmetic number, because the mean of its divisors is an integer number (31594023).

Almost surely, 2^105313405 is an apocalyptic number.

It is an amenable number.

105313405 is a deficient number, since it is larger than the sum of its proper divisors (21062687).

105313405 is an equidigital number, since it uses as much as digits as its factorization.

105313405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21062686.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 105313405 is about 10262.2319697033. The cubic root of 105313405 is about 472.2383123981.

Adding to 105313405 its reverse (504313501), we get a palindrome (609626906).

The spelling of 105313405 in words is "one hundred five million, three hundred thirteen thousand, four hundred five".