80443001 has 2 divisors, whose sum is σ = 80443002. Its totient is φ = 80443000.

The previous prime is 80442959. The next prime is 80443043. The reversal of 80443001 is 10034408.

It is a balanced prime because it is at equal distance from previous prime (80442959) and next prime (80443043).

It can be written as a sum of positive squares in only one way, i.e., 55950400 + 24492601 = 7480^2 + 4949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80443001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80443061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40221500 + 40221501.

It is an arithmetic number, because the mean of its divisors is an integer number (40221501).

Almost surely, 2^80443001 is an apocalyptic number.

It is an amenable number.

80443001 is a deficient number, since it is larger than the sum of its proper divisors (1).

80443001 is an equidigital number, since it uses as much as digits as its factorization.

80443001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 80443001 is about 8969.0022299027. The cubic root of 80443001 is about 431.6808216928.

Adding to 80443001 its reverse (10034408), we get a palindrome (90477409).

The spelling of 80443001 in words is "eighty million, four hundred forty-three thousand, one".