24780241 has 2 divisors, whose sum is σ = 24780242. Its totient is φ = 24780240.

The previous prime is 24780211. The next prime is 24780257. The reversal of 24780241 is 14208742.

24780241 = T₄₀₆₃ + T₄₀₆₄ + T₄₀₆₅.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24049216 + 731025 = 4904^2 + 855^2 .

It is a cyclic number.

It is not a de Polignac number, because 24780241 - 2¹⁵ = 24747473 is a prime.

It is a super-2 number, since 2×24780241² = 1228120688036162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24780211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12390120 + 12390121.

It is an arithmetic number, because the mean of its divisors is an integer number (12390121).

Almost surely, 2^24780241 is an apocalyptic number.

24780241 is the 4065-th centered triangular number.

It is an amenable number.

24780241 is a deficient number, since it is larger than the sum of its proper divisors (1).

24780241 is an equidigital number, since it uses as much as digits as its factorization.

24780241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 24780241 is about 4977.9755925476. The cubic root of 24780241 is about 291.5424787580.

Adding to 24780241 its reverse (14208742), we get a palindrome (38988983).

The spelling of 24780241 in words is "twenty-four million, seven hundred eighty thousand, two hundred forty-one".