8019001 has 2 divisors, whose sum is σ = 8019002. Its totient is φ = 8019000.

The previous prime is 8018981. The next prime is 8019013. The reversal of 8019001 is 1009108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6125625 + 1893376 = 2475^2 + 1376^2 .

It is a cyclic number.

It is not a de Polignac number, because 8019001 - 2¹³ = 8010809 is a prime.

8019001 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8019001.

It is not a weakly prime, because it can be changed into another prime (8019041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4009500 + 4009501.

It is an arithmetic number, because the mean of its divisors is an integer number (4009501).

Almost surely, 2^8019001 is an apocalyptic number.

It is an amenable number.

8019001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8019001 is an equidigital number, since it uses as much as digits as its factorization.

8019001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 8019001 is about 2831.7840666265. The cubic root of 8019001 is about 200.1582164714.

The spelling of 8019001 in words is "eight million, nineteen thousand, one".