801000071 has 2 divisors, whose sum is σ = 801000072. Its totient is φ = 801000070.

The previous prime is 801000059. The next prime is 801000113. The reversal of 801000071 is 170000108.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 801000071 - 2⁶ = 801000007 is a prime.

It is a super-2 number, since 2×801000071² = 1283202227484010082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801000371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400500035 + 400500036.

It is an arithmetic number, because the mean of its divisors is an integer number (400500036).

Almost surely, 2^801000071 is an apocalyptic number.

801000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

801000071 is an equidigital number, since it uses as much as digits as its factorization.

801000071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 801000071 is about 28301.9446505006. The cubic root of 801000071 is about 928.7044321774.

Adding to 801000071 its reverse (170000108), we get a palindrome (971000179).

The spelling of 801000071 in words is "eight hundred one million, seventy-one", and thus it is an aban number.