2404247 has 2 divisors, whose sum is σ = 2404248. Its totient is φ = 2404246.

The previous prime is 2404229. The next prime is 2404253. The reversal of 2404247 is 7424042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2404247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2404147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202123 + 1202124.

It is an arithmetic number, because the mean of its divisors is an integer number (1202124).

2^2404247 is an apocalyptic number.

2404247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404247 is an equidigital number, since it uses as much as digits as its factorization.

2404247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 2404247 is about 1550.5634459770. The cubic root of 2404247 is about 133.9655179709.

Adding to 2404247 its reverse (7424042), we get a palindrome (9828289).

The spelling of 2404247 in words is "two million, four hundred four thousand, two hundred forty-seven".