24442861 has 2 divisors, whose sum is σ = 24442862. Its totient is φ = 24442860.

The previous prime is 24442819. The next prime is 24442879. The reversal of 24442861 is 16824442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12916836 + 11526025 = 3594^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 24442861 - 2⁹ = 24442349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24442811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12221430 + 12221431.

It is an arithmetic number, because the mean of its divisors is an integer number (12221431).

Almost surely, 2^24442861 is an apocalyptic number.

It is an amenable number.

24442861 is a deficient number, since it is larger than the sum of its proper divisors (1).

24442861 is an equidigital number, since it uses as much as digits as its factorization.

24442861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 31.

The square root of 24442861 is about 4943.9721884331. The cubic root of 24442861 is about 290.2133230260.

The spelling of 24442861 in words is "twenty-four million, four hundred forty-two thousand, eight hundred sixty-one".