2421133 has 8 divisors (see below), whose sum is σ = 2844576. Its totient is φ = 2031600.

The previous prime is 2421119. The next prime is 2421137. The reversal of 2421133 is 3311242.

It is a happy number.

2421133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2421133 - 2¹³ = 2412941 is a prime.

It is a Duffinian number.

2421133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421137) 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 in 7 ways as a sum of consecutive naturals, for example, 8323 + ... + 8608.

It is an arithmetic number, because the mean of its divisors is an integer number (355572).

2^2421133 is an apocalyptic number.

It is an amenable number.

2421133 is a deficient number, since it is larger than the sum of its proper divisors (423443).

2421133 is a wasteful number, since it uses less digits than its factorization.

2421133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16955.

The product of its digits is 144, while the sum is 16.

The square root of 2421133 is about 1555.9990359894. Note that the first 3 decimals coincide. The cubic root of 2421133 is about 134.2784179247.

Adding to 2421133 its reverse (3311242), we get a palindrome (5732375).

The spelling of 2421133 in words is "two million, four hundred twenty-one thousand, one hundred thirty-three".