24420013 has 2 divisors, whose sum is σ = 24420014. Its totient is φ = 24420012.

The previous prime is 24419999. The next prime is 24420017. The reversal of 24420013 is 31002442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24186724 + 233289 = 4918^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 24420013 - 2⁵ = 24419981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24420017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12210006 + 12210007.

It is an arithmetic number, because the mean of its divisors is an integer number (12210007).

Almost surely, 2^24420013 is an apocalyptic number.

It is an amenable number.

24420013 is a deficient number, since it is larger than the sum of its proper divisors (1).

24420013 is an equidigital number, since it uses as much as digits as its factorization.

24420013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 24420013 is about 4941.6609555897. The cubic root of 24420013 is about 290.1228690603.

Adding to 24420013 its reverse (31002442), we get a palindrome (55422455).

The spelling of 24420013 in words is "twenty-four million, four hundred twenty thousand, thirteen".