6491413 has 2 divisors, whose sum is σ = 6491414. Its totient is φ = 6491412.

The previous prime is 6491411. The next prime is 6491417. The reversal of 6491413 is 3141946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3470769 + 3020644 = 1863^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 6491413 - 2¹ = 6491411 is a prime.

Together with 6491411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6491411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245706 + 3245707.

It is an arithmetic number, because the mean of its divisors is an integer number (3245707).

Almost surely, 2^6491413 is an apocalyptic number.

It is an amenable number.

6491413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6491413 is an equidigital number, since it uses as much as digits as its factorization.

6491413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 6491413 is about 2547.8251509866. The cubic root of 6491413 is about 186.5433393854.

The spelling of 6491413 in words is "six million, four hundred ninety-one thousand, four hundred thirteen".