6750001 has 2 divisors, whose sum is σ = 6750002. Its totient is φ = 6750000.

The previous prime is 6749989. The next prime is 6750019. The reversal of 6750001 is 1000576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 874225 = 2424^2 + 935^2 .

It is a cyclic number.

It is not a de Polignac number, because 6750001 - 2¹¹ = 6747953 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6750701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375000 + 3375001.

It is an arithmetic number, because the mean of its divisors is an integer number (3375001).

Almost surely, 2^6750001 is an apocalyptic number.

It is an amenable number.

6750001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6750001 is an equidigital number, since it uses as much as digits as its factorization.

6750001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 6750001 is about 2598.0764038034. The cubic root of 6750001 is about 188.9881668170.

Adding to 6750001 its reverse (1000576), we get a palindrome (7750577).

The spelling of 6750001 in words is "six million, seven hundred fifty thousand, one".