24052421 has 4 divisors (see below), whose sum is σ = 24225600. Its totient is φ = 23879244.

The previous prime is 24052393. The next prime is 24052459. The reversal of 24052421 is 12425042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24052421 - 2¹⁴ = 24036037 is a prime.

It is a super-2 number, since 2×24052421² = 1157037911922482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24052393 and 24052402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24052121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86381 + ... + 86658.

It is an arithmetic number, because the mean of its divisors is an integer number (6056400).

Almost surely, 2^24052421 is an apocalyptic number.

It is an amenable number.

24052421 is a deficient number, since it is larger than the sum of its proper divisors (173179).

24052421 is a wasteful number, since it uses less digits than its factorization.

24052421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173178.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 24052421 is about 4904.3267631756. The cubic root of 24052421 is about 288.6597729124.

Adding to 24052421 its reverse (12425042), we get a palindrome (36477463).

The spelling of 24052421 in words is "twenty-four million, fifty-two thousand, four hundred twenty-one".