2421311 has 2 divisors, whose sum is σ = 2421312. Its totient is φ = 2421310.

The previous prime is 2421283. The next prime is 2421319. The reversal of 2421311 is 1131242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421311 - 2⁶ = 2421247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421319) 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, 1210655 + 1210656.

It is an arithmetic number, because the mean of its divisors is an integer number (1210656).

2^2421311 is an apocalyptic number.

2421311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421311 is an equidigital number, since it uses as much as digits as its factorization.

2421311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 14.

The square root of 2421311 is about 1556.0562329170. The cubic root of 2421311 is about 134.2817085291.

Adding to 2421311 its reverse (1131242), we get a palindrome (3552553).

The spelling of 2421311 in words is "two million, four hundred twenty-one thousand, three hundred eleven".