105913081 has 4 divisors (see below), whose sum is σ = 109329664. Its totient is φ = 102496500.

The previous prime is 105913079. The next prime is 105913097. The reversal of 105913081 is 180319501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105913081 - 2¹ = 105913079 is a prime.

It is a super-2 number, since 2×105913081² = 22435161453825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105913001) 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, 1708245 + ... + 1708306.

It is an arithmetic number, because the mean of its divisors is an integer number (27332416).

Almost surely, 2^105913081 is an apocalyptic number.

It is an amenable number.

105913081 is a deficient number, since it is larger than the sum of its proper divisors (3416583).

105913081 is an equidigital number, since it uses as much as digits as its factorization.

105913081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416582.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 105913081 is about 10291.4081155107. The cubic root of 105913081 is about 473.1329568559.

The spelling of 105913081 in words is "one hundred five million, nine hundred thirteen thousand, eighty-one".