6591401 has 2 divisors, whose sum is σ = 6591402. Its totient is φ = 6591400.

The previous prime is 6591373. The next prime is 6591419. The reversal of 6591401 is 1041956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6255001 + 336400 = 2501^2 + 580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6591401 is a prime.

It is not a weakly prime, because it can be changed into another prime (6591491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3295700 + 3295701.

It is an arithmetic number, because the mean of its divisors is an integer number (3295701).

Almost surely, 2^6591401 is an apocalyptic number.

It is an amenable number.

6591401 is a deficient number, since it is larger than the sum of its proper divisors (1).

6591401 is an equidigital number, since it uses as much as digits as its factorization.

6591401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 6591401 is about 2567.3723921551. The cubic root of 6591401 is about 187.4962464434.

The spelling of 6591401 in words is "six million, five hundred ninety-one thousand, four hundred one".