6493309 has 2 divisors, whose sum is σ = 6493310. Its totient is φ = 6493308.

The previous prime is 6493297. The next prime is 6493321. The reversal of 6493309 is 9033946.

6493309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (6493297) and next prime (6493321).

It can be written as a sum of positive squares in only one way, i.e., 6017209 + 476100 = 2453^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 6493309 - 2¹³ = 6485117 is a prime.

It is a super-3 number, since 3×6493309³ (a number of 21 digits) contains 333 as substring.

6493309 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6493349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246654 + 3246655.

It is an arithmetic number, because the mean of its divisors is an integer number (3246655).

Almost surely, 2^6493309 is an apocalyptic number.

It is an amenable number.

6493309 is a deficient number, since it is larger than the sum of its proper divisors (1).

6493309 is an equidigital number, since it uses as much as digits as its factorization.

6493309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 6493309 is about 2548.1972058693. The cubic root of 6493309 is about 186.5614993629.

The spelling of 6493309 in words is "six million, four hundred ninety-three thousand, three hundred nine".