24591641 has 2 divisors, whose sum is σ = 24591642. Its totient is φ = 24591640.

The previous prime is 24591607. The next prime is 24591653. The reversal of 24591641 is 14619542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20286016 + 4305625 = 4504^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 24591641 - 2¹⁸ = 24329497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_1541966 and since 24591641 and 1541966 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 24591598 and 24591607.

It is not a weakly prime, because it can be changed into another prime (24591691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12295820 + 12295821.

It is an arithmetic number, because the mean of its divisors is an integer number (12295821).

Almost surely, 2^24591641 is an apocalyptic number.

It is an amenable number.

24591641 is a deficient number, since it is larger than the sum of its proper divisors (1).

24591641 is an equidigital number, since it uses as much as digits as its factorization.

24591641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 24591641 is about 4958.9959669272. The cubic root of 24591641 is about 290.8009605559.

The spelling of 24591641 in words is "twenty-four million, five hundred ninety-one thousand, six hundred forty-one".