105343409 has 2 divisors, whose sum is σ = 105343410. Its totient is φ = 105343408.

The previous prime is 105343397. The next prime is 105343463. The reversal of 105343409 is 904343501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 485809 = 10240^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 105343409 - 2⁴ = 105343393 is a prime.

It is a super-2 number, since 2×105343409² = 22194467639482562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105343499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52671704 + 52671705.

It is an arithmetic number, because the mean of its divisors is an integer number (52671705).

Almost surely, 2^105343409 is an apocalyptic number.

It is an amenable number.

105343409 is a deficient number, since it is larger than the sum of its proper divisors (1).

105343409 is an equidigital number, since it uses as much as digits as its factorization.

105343409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 105343409 is about 10263.6937308164. The cubic root of 105343409 is about 472.2831553534.

The spelling of 105343409 in words is "one hundred five million, three hundred forty-three thousand, four hundred nine".