6412643 has 2 divisors, whose sum is σ = 6412644. Its totient is φ = 6412642.

The previous prime is 6412619. The next prime is 6412657. The reversal of 6412643 is 3462146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6412643 - 2⁸ = 6412387 is a prime.

It is a super-2 number, since 2×6412643² = 82243980490898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6412603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206321 + 3206322.

It is an arithmetic number, because the mean of its divisors is an integer number (3206322).

Almost surely, 2^6412643 is an apocalyptic number.

6412643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6412643 is an equidigital number, since it uses as much as digits as its factorization.

6412643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 6412643 is about 2532.3196875592. The cubic root of 6412643 is about 185.7857304433.

Adding to 6412643 its reverse (3462146), we get a palindrome (9874789).

The spelling of 6412643 in words is "six million, four hundred twelve thousand, six hundred forty-three".