299005243 has 2 divisors, whose sum is σ = 299005244. Its totient is φ = 299005242.

The previous prime is 299005237. The next prime is 299005279. The reversal of 299005243 is 342500992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299005243 - 2¹⁷ = 298874171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 299005199 and 299005208.

It is not a weakly prime, because it can be changed into another prime (299005643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149502621 + 149502622.

It is an arithmetic number, because the mean of its divisors is an integer number (149502622).

Almost surely, 2^299005243 is an apocalyptic number.

299005243 is a deficient number, since it is larger than the sum of its proper divisors (1).

299005243 is an equidigital number, since it uses as much as digits as its factorization.

299005243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 299005243 is about 17291.7680703854. The cubic root of 299005243 is about 668.6922161853.

The spelling of 299005243 in words is "two hundred ninety-nine million, five thousand, two hundred forty-three".