24775249 has 2 divisors, whose sum is σ = 24775250. Its totient is φ = 24775248.

The previous prime is 24775243. The next prime is 24775253. The reversal of 24775249 is 94257742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16974400 + 7800849 = 4120^2 + 2793^2 .

It is a cyclic number.

It is not a de Polignac number, because 24775249 - 2³ = 24775241 is a prime.

It is a super-2 number, since 2×24775249² = 1227625926024002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24775241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12387624 + 12387625.

It is an arithmetic number, because the mean of its divisors is an integer number (12387625).

Almost surely, 2^24775249 is an apocalyptic number.

It is an amenable number.

24775249 is a deficient number, since it is larger than the sum of its proper divisors (1).

24775249 is an equidigital number, since it uses as much as digits as its factorization.

24775249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 24775249 is about 4977.4741586471. The cubic root of 24775249 is about 291.5229002856.

The spelling of 24775249 in words is "twenty-four million, seven hundred seventy-five thousand, two hundred forty-nine".