6413591 has 2 divisors, whose sum is σ = 6413592. Its totient is φ = 6413590.

The previous prime is 6413569. The next prime is 6413593. The reversal of 6413591 is 1953146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6413591 is a prime.

It is a super-3 number, since 3×6413591³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 6413593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6413593) 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, 3206795 + 3206796.

It is an arithmetic number, because the mean of its divisors is an integer number (3206796).

Almost surely, 2^6413591 is an apocalyptic number.

6413591 is a deficient number, since it is larger than the sum of its proper divisors (1).

6413591 is an equidigital number, since it uses as much as digits as its factorization.

6413591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 6413591 is about 2532.5068608002. The cubic root of 6413591 is about 185.7948850771.

The spelling of 6413591 in words is "six million, four hundred thirteen thousand, five hundred ninety-one".