8140001 has 2 divisors, whose sum is σ = 8140002. Its totient is φ = 8140000.

The previous prime is 8139997. The next prime is 8140009. The reversal of 8140001 is 1000418.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5400976 + 2739025 = 2324^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 8140001 - 2² = 8139997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8140009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070000 + 4070001.

It is an arithmetic number, because the mean of its divisors is an integer number (4070001).

Almost surely, 2^8140001 is an apocalyptic number.

It is an amenable number.

8140001 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140001 is an equidigital number, since it uses as much as digits as its factorization.

8140001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 8140001 is about 2853.0686987873. The cubic root of 8140001 is about 201.1599347516.

Adding to 8140001 its reverse (1000418), we get a palindrome (9140419).

The spelling of 8140001 in words is "eight million, one hundred forty thousand, one".