6424013 has 2 divisors, whose sum is σ = 6424014. Its totient is φ = 6424012.

The previous prime is 6424001. The next prime is 6424031. The reversal of 6424013 is 3104246.

It is a happy number.

Together with next prime (6424031) 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., 5654884 + 769129 = 2378^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 6424013 - 2⁴ = 6423997 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6424513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212006 + 3212007.

It is an arithmetic number, because the mean of its divisors is an integer number (3212007).

Almost surely, 2^6424013 is an apocalyptic number.

It is an amenable number.

6424013 is a deficient number, since it is larger than the sum of its proper divisors (1).

6424013 is an equidigital number, since it uses as much as digits as its factorization.

6424013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 6424013 is about 2534.5636705358. The cubic root of 6424013 is about 185.8954686861.

Adding to 6424013 its reverse (3104246), we get a palindrome (9528259).

The spelling of 6424013 in words is "six million, four hundred twenty-four thousand, thirteen".