24720259 has 2 divisors, whose sum is σ = 24720260. Its totient is φ = 24720258.

The previous prime is 24720257. The next prime is 24720263. The reversal of 24720259 is 95202742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24720259 - 2¹ = 24720257 is a prime.

It is a super-2 number, since 2×24720259² = 1222182410054162, which contains 22 as substring.

Together with 24720257, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 24720259.

It is not a weakly prime, because it can be changed into another prime (24720251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12360129 + 12360130.

It is an arithmetic number, because the mean of its divisors is an integer number (12360130).

Almost surely, 2^24720259 is an apocalyptic number.

24720259 is a deficient number, since it is larger than the sum of its proper divisors (1).

24720259 is an equidigital number, since it uses as much as digits as its factorization.

24720259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 24720259 is about 4971.9472040640. The cubic root of 24720259 is about 291.3070569201.

The spelling of 24720259 in words is "twenty-four million, seven hundred twenty thousand, two hundred fifty-nine".