1005040807 has 2 divisors, whose sum is σ = 1005040808. Its totient is φ = 1005040806.

The previous prime is 1005040769. The next prime is 1005040811. The reversal of 1005040807 is 7080405001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005040807 - 2⁷ = 1005040679 is a prime.

It is a super-2 number, since 2×1005040807² = 2020214047470422498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005040837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502520403 + 502520404.

It is an arithmetic number, because the mean of its divisors is an integer number (502520404).

Almost surely, 2^1005040807 is an apocalyptic number.

1005040807 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005040807 is an equidigital number, since it uses as much as digits as its factorization.

1005040807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1005040807 is about 31702.3785700695. The cubic root of 1005040807 is about 1001.6774535761.

Adding to 1005040807 its reverse (7080405001), we get a palindrome (8085445808).

The spelling of 1005040807 in words is "one billion, five million, forty thousand, eight hundred seven".