2421511 has 2 divisors, whose sum is σ = 2421512. Its totient is φ = 2421510.

The previous prime is 2421491. The next prime is 2421527. The reversal of 2421511 is 1151242.

2421511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2421527) can be obtained adding 2421511 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421511 - 2⁷ = 2421383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421541) 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, 1210755 + 1210756.

It is an arithmetic number, because the mean of its divisors is an integer number (1210756).

2^2421511 is an apocalyptic number.

2421511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421511 is an equidigital number, since it uses as much as digits as its factorization.

2421511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80, while the sum is 16.

The square root of 2421511 is about 1556.1204966197. The cubic root of 2421511 is about 134.2854056450.

Adding to 2421511 its reverse (1151242), we get a palindrome (3572753).

The spelling of 2421511 in words is "two million, four hundred twenty-one thousand, five hundred eleven".