1005413243 has 2 divisors, whose sum is σ = 1005413244. Its totient is φ = 1005413242.

The previous prime is 1005413239. The next prime is 1005413249. The reversal of 1005413243 is 3423145001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3423145001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005413243 - 2² = 1005413239 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005413249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502706621 + 502706622.

It is an arithmetic number, because the mean of its divisors is an integer number (502706622).

Almost surely, 2^1005413243 is an apocalyptic number.

1005413243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005413243 is an equidigital number, since it uses as much as digits as its factorization.

1005413243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1005413243 is about 31708.2519701102. The cubic root of 1005413243 is about 1001.8011681787.

Adding to 1005413243 its reverse (3423145001), we get a palindrome (4428558244).

The spelling of 1005413243 in words is "one billion, five million, four hundred thirteen thousand, two hundred forty-three".