6242309 has 4 divisors (see below), whose sum is σ = 6249600. Its totient is φ = 6235020.

The previous prime is 6242263. The next prime is 6242363. The reversal of 6242309 is 9032426.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6242309 - 2²⁰ = 5193733 is a prime.

It is a super-3 number, since 3×6242309³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6242609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2159 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (1562400).

Almost surely, 2^6242309 is an apocalyptic number.

It is an amenable number.

6242309 is a deficient number, since it is larger than the sum of its proper divisors (7291).

6242309 is an equidigital number, since it uses as much as digits as its factorization.

6242309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 6242309 is about 2498.4613264968. The cubic root of 6242309 is about 184.1259868883.

The spelling of 6242309 in words is "six million, two hundred forty-two thousand, three hundred nine".