6202409 has 2 divisors, whose sum is σ = 6202410. Its totient is φ = 6202408.

The previous prime is 6202403. The next prime is 6202411. The reversal of 6202409 is 9042026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4012009 + 2190400 = 2003^2 + 1480^2 .

It is a cyclic number.

It is not a de Polignac number, because 6202409 - 2⁴ = 6202393 is a prime.

Together with 6202411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6202403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3101204 + 3101205.

It is an arithmetic number, because the mean of its divisors is an integer number (3101205).

Almost surely, 2^6202409 is an apocalyptic number.

It is an amenable number.

6202409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6202409 is an equidigital number, since it uses as much as digits as its factorization.

6202409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 6202409 is about 2490.4636114587. The cubic root of 6202409 is about 183.7328452061.

The spelling of 6202409 in words is "six million, two hundred two thousand, four hundred nine".