24421109 has 2 divisors, whose sum is σ = 24421110. Its totient is φ = 24421108.

The previous prime is 24421097. The next prime is 24421121. The reversal of 24421109 is 90112442.

It is a balanced prime because it is at equal distance from previous prime (24421097) and next prime (24421121).

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 850084 = 4855^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 24421109 - 2¹² = 24417013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24421139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12210554 + 12210555.

It is an arithmetic number, because the mean of its divisors is an integer number (12210555).

Almost surely, 2^24421109 is an apocalyptic number.

It is an amenable number.

24421109 is a deficient number, since it is larger than the sum of its proper divisors (1).

24421109 is an equidigital number, since it uses as much as digits as its factorization.

24421109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 24421109 is about 4941.7718482342. The cubic root of 24421109 is about 290.1272093516.

The spelling of 24421109 in words is "twenty-four million, four hundred twenty-one thousand, one hundred nine".