1005041797 has 2 divisors, whose sum is σ = 1005041798. Its totient is φ = 1005041796.

The previous prime is 1005041773. The next prime is 1005041801. The reversal of 1005041797 is 7971405001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845297476 + 159744321 = 29074^2 + 12639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005041797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005041497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502520898 + 502520899.

It is an arithmetic number, because the mean of its divisors is an integer number (502520899).

Almost surely, 2^1005041797 is an apocalyptic number.

It is an amenable number.

1005041797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005041797 is an equidigital number, since it uses as much as digits as its factorization.

1005041797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 1005041797 is about 31702.3941840360. The cubic root of 1005041797 is about 1001.6777824717.

Adding to 1005041797 its reverse (7971405001), we get a palindrome (8976446798).

The spelling of 1005041797 in words is "one billion, five million, forty-one thousand, seven hundred ninety-seven".