6412321 has 2 divisors, whose sum is σ = 6412322. Its totient is φ = 6412320.

The previous prime is 6412313. The next prime is 6412327. The reversal of 6412321 is 1232146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4669921 + 1742400 = 2161^2 + 1320^2 .

It is a cyclic number.

It is not a de Polignac number, because 6412321 - 2³ = 6412313 is a prime.

It is a super-2 number, since 2×6412321² = 82235721214082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6412327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206160 + 3206161.

It is an arithmetic number, because the mean of its divisors is an integer number (3206161).

Almost surely, 2^6412321 is an apocalyptic number.

It is an amenable number.

6412321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6412321 is an equidigital number, since it uses as much as digits as its factorization.

6412321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 6412321 is about 2532.2561086904. The cubic root of 6412321 is about 185.7826207528.

Adding to 6412321 its reverse (1232146), we get a palindrome (7644467).

It can be divided in two parts, 64 and 12321, that multiplied together give a square (788544 = 888²).

The spelling of 6412321 in words is "six million, four hundred twelve thousand, three hundred twenty-one".