105510013 has 4 divisors (see below), whose sum is σ = 120582880. Its totient is φ = 90437148.

The previous prime is 105510001. The next prime is 105510017. The reversal of 105510013 is 310015501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310015501 = 6301 ⋅49201.

It is a cyclic number.

It is not a de Polignac number, because 105510013 - 2⁵ = 105509981 is a prime.

It is a super-2 number, since 2×105510013² = 22264725686520338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105510017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7536423 + ... + 7536436.

It is an arithmetic number, because the mean of its divisors is an integer number (30145720).

Almost surely, 2^105510013 is an apocalyptic number.

It is an amenable number.

105510013 is a deficient number, since it is larger than the sum of its proper divisors (15072867).

105510013 is an equidigital number, since it uses as much as digits as its factorization.

105510013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15072866.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 105510013 is about 10271.8067057359. The cubic root of 105510013 is about 472.5320012293.

Adding to 105510013 its reverse (310015501), we get a palindrome (415525514).

The spelling of 105510013 in words is "one hundred five million, five hundred ten thousand, thirteen".