24854993 has 2 divisors, whose sum is σ = 24854994. Its totient is φ = 24854992.

The previous prime is 24854987. The next prime is 24855031. The reversal of 24854993 is 39945842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 6390784 = 4297^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 24854993 - 2²⁰ = 23806417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (24854953) 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, 12427496 + 12427497.

It is an arithmetic number, because the mean of its divisors is an integer number (12427497).

Almost surely, 2^24854993 is an apocalyptic number.

It is an amenable number.

24854993 is a deficient number, since it is larger than the sum of its proper divisors (1).

24854993 is an equidigital number, since it uses as much as digits as its factorization.

24854993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 24854993 is about 4985.4782117667. The cubic root of 24854993 is about 291.8353398602.

The spelling of 24854993 in words is "twenty-four million, eight hundred fifty-four thousand, nine hundred ninety-three".