2421707 has 2 divisors, whose sum is σ = 2421708. Its totient is φ = 2421706.

The previous prime is 2421673. The next prime is 2421733. The reversal of 2421707 is 7071242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421707 - 2⁸ = 2421451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2421737) 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, 1210853 + 1210854.

It is an arithmetic number, because the mean of its divisors is an integer number (1210854).

2^2421707 is an apocalyptic number.

2421707 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421707 is an equidigital number, since it uses as much as digits as its factorization.

2421707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2421707 is about 1556.1834724736. The cubic root of 2421707 is about 134.2890286211.

Adding to 2421707 its reverse (7071242), we get a palindrome (9492949).

The spelling of 2421707 in words is "two million, four hundred twenty-one thousand, seven hundred seven".