105473 has 4 divisors (see below), whose sum is σ = 109140. Its totient is φ = 101808.

The previous prime is 105467. The next prime is 105491. The reversal of 105473 is 374501.

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 23104 + 82369 = 152^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 105473 - 2¹² = 101377 is a prime.

It is a super-2 number, since 2×105473² = 22249107458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105173) 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, 1790 + ... + 1847.

It is an arithmetic number, because the mean of its divisors is an integer number (27285).

It is a Proth number, since it is equal to 103 ⋅ 2¹⁰ + 1 and 103 < 2¹⁰.

2¹⁰⁵⁴⁷³ is an apocalyptic number.

It is an amenable number.

105473 is a deficient number, since it is larger than the sum of its proper divisors (3667).

105473 is an equidigital number, since it uses as much as digits as its factorization.

105473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 105473 is about 324.7660696563. The cubic root of 105473 is about 47.2476739894.

Adding to 105473 its reverse (374501), we get a palindrome (479974).

The spelling of 105473 in words is "one hundred five thousand, four hundred seventy-three".