1005035243 has 2 divisors, whose sum is σ = 1005035244. Its totient is φ = 1005035242.

The previous prime is 1005035203. The next prime is 1005035249. The reversal of 1005035243 is 3425305001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005035243 - 2²⁰ = 1003986667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1005035249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502517621 + 502517622.

It is an arithmetic number, because the mean of its divisors is an integer number (502517622).

Almost surely, 2^1005035243 is an apocalyptic number.

1005035243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005035243 is an equidigital number, since it uses as much as digits as its factorization.

1005035243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 1005035243 is about 31702.2908162801. The cubic root of 1005035243 is about 1001.6756051127.

The spelling of 1005035243 in words is "one billion, five million, thirty-five thousand, two hundred forty-three".