105309299 has 2 divisors, whose sum is σ = 105309300. Its totient is φ = 105309298.

The previous prime is 105309233. The next prime is 105309317. The reversal of 105309299 is 992903501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105309299 is a prime.

It is a super-2 number, since 2×105309299² = 22180096911742802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105309199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52654649 + 52654650.

It is an arithmetic number, because the mean of its divisors is an integer number (52654650).

Almost surely, 2^105309299 is an apocalyptic number.

105309299 is a deficient number, since it is larger than the sum of its proper divisors (1).

105309299 is an equidigital number, since it uses as much as digits as its factorization.

105309299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 105309299 is about 10262.0319138073. The cubic root of 105309299 is about 472.2321750479.

The spelling of 105309299 in words is "one hundred five million, three hundred nine thousand, two hundred ninety-nine".