24953939 has 2 divisors, whose sum is σ = 24953940. Its totient is φ = 24953938.

The previous prime is 24953917. The next prime is 24953983. The reversal of 24953939 is 93935942.

It is an a-pointer prime, because the next prime (24953983) can be obtained adding 24953939 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24953939 - 2¹² = 24949843 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24953939.

It is not a weakly prime, because it can be changed into another prime (24953989) 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, 12476969 + 12476970.

It is an arithmetic number, because the mean of its divisors is an integer number (12476970).

Almost surely, 2^24953939 is an apocalyptic number.

24953939 is a deficient number, since it is larger than the sum of its proper divisors (1).

24953939 is an equidigital number, since it uses as much as digits as its factorization.

24953939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 44.

The square root of 24953939 is about 4995.3917764276. The cubic root of 24953939 is about 292.2220858466. Note that the first 3 decimals are identical.

The spelling of 24953939 in words is "twenty-four million, nine hundred fifty-three thousand, nine hundred thirty-nine".