1005505043 has 2 divisors, whose sum is σ = 1005505044. Its totient is φ = 1005505042.

The previous prime is 1005505037. The next prime is 1005505049. The reversal of 1005505043 is 3405055001.

It is a balanced prime because it is at equal distance from previous prime (1005505037) and next prime (1005505049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005505043 is a prime.

It is a super-2 number, since 2×1005505043² = 2022080782996863698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1005505049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502752521 + 502752522.

It is an arithmetic number, because the mean of its divisors is an integer number (502752522).

Almost surely, 2^1005505043 is an apocalyptic number.

1005505043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005505043 is an equidigital number, since it uses as much as digits as its factorization.

1005505043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1005505043 is about 31709.6995097715. The cubic root of 1005505043 is about 1001.8316573164.

The spelling of 1005505043 in words is "one billion, five million, five hundred five thousand, forty-three".