24133421 has 8 divisors (see below), whose sum is σ = 27518904. Its totient is φ = 20966400.

The previous prime is 24133409. The next prime is 24133427. The reversal of 24133421 is 12433142.

It can be written as a sum of positive squares in 4 ways, for example, as 6375625 + 17757796 = 2525^2 + 4214^2 .

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

It is not a de Polignac number, because 24133421 - 2¹⁰ = 24132397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 24133393 and 24133402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24133427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54380 + ... + 54821.

It is an arithmetic number, because the mean of its divisors is an integer number (3439863).

Almost surely, 2^24133421 is an apocalyptic number.

It is an amenable number.

24133421 is a deficient number, since it is larger than the sum of its proper divisors (3385483).

24133421 is a wasteful number, since it uses less digits than its factorization.

24133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109231.

The product of its digits is 576, while the sum is 20.

The square root of 24133421 is about 4912.5778365335. The cubic root of 24133421 is about 288.9834443328.

Adding to 24133421 its reverse (12433142), we get a palindrome (36566563).

The spelling of 24133421 in words is "twenty-four million, one hundred thirty-three thousand, four hundred twenty-one".