2421733 has 2 divisors, whose sum is σ = 2421734. Its totient is φ = 2421732.

The previous prime is 2421707. The next prime is 2421737. The reversal of 2421733 is 3371242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 252004 = 1473^2 + 502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2421733 is a prime.

It is a congruent number.

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, 1210866 + 1210867.

It is an arithmetic number, because the mean of its divisors is an integer number (1210867).

2^2421733 is an apocalyptic number.

It is an amenable number.

2421733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421733 is an equidigital number, since it uses as much as digits as its factorization.

2421733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 22.

The square root of 2421733 is about 1556.1918262219. The cubic root of 2421733 is about 134.2895092053.

Adding to 2421733 its reverse (3371242), we get a palindrome (5792975).

The spelling of 2421733 in words is "two million, four hundred twenty-one thousand, seven hundred thirty-three".