24940189 has 2 divisors, whose sum is σ = 24940190. Its totient is φ = 24940188.

The previous prime is 24940187. The next prime is 24940193. The reversal of 24940189 is 98104942.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20403289 + 4536900 = 4517^2 + 2130^2 .

It is a cyclic number.

It is not a de Polignac number, because 24940189 - 2¹ = 24940187 is a prime.

Together with 24940187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24940187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12470094 + 12470095.

It is an arithmetic number, because the mean of its divisors is an integer number (12470095).

Almost surely, 2^24940189 is an apocalyptic number.

It is an amenable number.

24940189 is a deficient number, since it is larger than the sum of its proper divisors (1).

24940189 is an equidigital number, since it uses as much as digits as its factorization.

24940189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 24940189 is about 4994.0153183586. The cubic root of 24940189 is about 292.1684030471.

The spelling of 24940189 in words is "twenty-four million, nine hundred forty thousand, one hundred eighty-nine".