105450913 has 4 divisors (see below), whose sum is σ = 105517588. Its totient is φ = 105384240.

The previous prime is 105450911. The next prime is 105450923. The reversal of 105450913 is 319054501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 319054501 = 13037 ⋅24473.

It can be written as a sum of positive squares in 2 ways, for example, as 36759969 + 68690944 = 6063^2 + 8288^2 .

It is a cyclic number.

It is not a de Polignac number, because 105450913 - 2¹ = 105450911 is a prime.

It is a super-2 number, since 2×105450913² = 22239790105067138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105450911) by changing a digit.

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, 30906 + ... + 34147.

It is an arithmetic number, because the mean of its divisors is an integer number (26379397).

Almost surely, 2^105450913 is an apocalyptic number.

It is an amenable number.

105450913 is a deficient number, since it is larger than the sum of its proper divisors (66675).

105450913 is an equidigital number, since it uses as much as digits as its factorization.

105450913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66674.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105450913 is about 10268.9294963010. The cubic root of 105450913 is about 472.4437572913.

The spelling of 105450913 in words is "one hundred five million, four hundred fifty thousand, nine hundred thirteen".