24103421 has 2 divisors, whose sum is σ = 24103422. Its totient is φ = 24103420.

The previous prime is 24103411. The next prime is 24103423. The reversal of 24103421 is 12430142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 11222500 = 3589^2 + 3350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24103421 is a prime.

It is a Sophie Germain prime.

Together with 24103423, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is equal to p_1513205 and since 24103421 and 1513205 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24103421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24103423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12051710 + 12051711.

It is an arithmetic number, because the mean of its divisors is an integer number (12051711).

Almost surely, 2^24103421 is an apocalyptic number.

It is an amenable number.

24103421 is a deficient number, since it is larger than the sum of its proper divisors (1).

24103421 is an equidigital number, since it uses as much as digits as its factorization.

24103421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 24103421 is about 4909.5235003002. The cubic root of 24103421 is about 288.8636505949.

Adding to 24103421 its reverse (12430142), we get a palindrome (36533563).

The spelling of 24103421 in words is "twenty-four million, one hundred three thousand, four hundred twenty-one".