6342209 has 2 divisors, whose sum is σ = 6342210. Its totient is φ = 6342208.

The previous prime is 6342191. The next prime is 6342221. The reversal of 6342209 is 9022436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5856400 + 485809 = 2420^2 + 697^2 .

It is a cyclic number.

It is not a de Polignac number, because 6342209 - 2¹² = 6338113 is a prime.

It is a super-2 number, since 2×6342209² = 80447229999362, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6342239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171104 + 3171105.

It is an arithmetic number, because the mean of its divisors is an integer number (3171105).

Almost surely, 2^6342209 is an apocalyptic number.

It is an amenable number.

6342209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6342209 is an equidigital number, since it uses as much as digits as its factorization.

6342209 is an evil number, because the sum of its binary digits is even.

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

The square root of 6342209 is about 2518.3742771876. The cubic root of 6342209 is about 185.1030251574.

The spelling of 6342209 in words is "six million, three hundred forty-two thousand, two hundred nine".