6426613 has 2 divisors, whose sum is σ = 6426614. Its totient is φ = 6426612.

The previous prime is 6426611. The next prime is 6426631. The reversal of 6426613 is 3166246.

Together with next prime (6426631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6265009 + 161604 = 2503^2 + 402^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426613 - 2¹ = 6426611 is a prime.

Together with 6426611, 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 (6426611) 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, 3213306 + 3213307.

It is an arithmetic number, because the mean of its divisors is an integer number (3213307).

Almost surely, 2^6426613 is an apocalyptic number.

It is an amenable number.

6426613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426613 is an equidigital number, since it uses as much as digits as its factorization.

6426613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 6426613 is about 2535.0765274445. The cubic root of 6426613 is about 185.9205445500.

The spelling of 6426613 in words is "six million, four hundred twenty-six thousand, six hundred thirteen".