105510073 has 2 divisors, whose sum is σ = 105510074. Its totient is φ = 105510072.

The previous prime is 105510043. The next prime is 105510079. The reversal of 105510073 is 370015501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54287424 + 51222649 = 7368^2 + 7157^2 .

It is an emirp because it is prime and its reverse (370015501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105510073 is a prime.

It is a super-2 number, since 2×105510073² = 22264751008930658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105510079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52755036 + 52755037.

It is an arithmetic number, because the mean of its divisors is an integer number (52755037).

Almost surely, 2^105510073 is an apocalyptic number.

It is an amenable number.

105510073 is a deficient number, since it is larger than the sum of its proper divisors (1).

105510073 is an equidigital number, since it uses as much as digits as its factorization.

105510073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 105510073 is about 10271.8096263511. The cubic root of 105510073 is about 472.5320908003.

Adding to 105510073 its reverse (370015501), we get a palindrome (475525574).

The spelling of 105510073 in words is "one hundred five million, five hundred ten thousand, seventy-three".