24969641 has 2 divisors, whose sum is σ = 24969642. Its totient is φ = 24969640.

The previous prime is 24969587. The next prime is 24969649. The reversal of 24969641 is 14696942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18318400 + 6651241 = 4280^2 + 2579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24969641 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 (24969649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12484820 + 12484821.

It is an arithmetic number, because the mean of its divisors is an integer number (12484821).

Almost surely, 2^24969641 is an apocalyptic number.

It is an amenable number.

24969641 is a deficient number, since it is larger than the sum of its proper divisors (1).

24969641 is an equidigital number, since it uses as much as digits as its factorization.

24969641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 24969641 is about 4996.9631777711. The cubic root of 24969641 is about 292.2833655389.

The spelling of 24969641 in words is "twenty-four million, nine hundred sixty-nine thousand, six hundred forty-one".