6171001 has 2 divisors, whose sum is σ = 6171002. Its totient is φ = 6171000.

The previous prime is 6170981. The next prime is 6171031. The reversal of 6171001 is 1001716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5645376 + 525625 = 2376^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 6171001 - 2¹³ = 6162809 is a prime.

6171001 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6171031) 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, 3085500 + 3085501.

It is an arithmetic number, because the mean of its divisors is an integer number (3085501).

Almost surely, 2^6171001 is an apocalyptic number.

It is an amenable number.

6171001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6171001 is an equidigital number, since it uses as much as digits as its factorization.

6171001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 6171001 is about 2484.1499552161. The cubic root of 6171001 is about 183.4221890671.

Adding to 6171001 its reverse (1001716), we get a palindrome (7172717).

The spelling of 6171001 in words is "six million, one hundred seventy-one thousand, one".