24064921 has 2 divisors, whose sum is σ = 24064922. Its totient is φ = 24064920.

The previous prime is 24064919. The next prime is 24064933. The reversal of 24064921 is 12946042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23629321 + 435600 = 4861^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 24064921 - 2¹ = 24064919 is a prime.

Together with 24064919, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 24064921.

It is not a weakly prime, because it can be changed into another prime (24064981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12032460 + 12032461.

It is an arithmetic number, because the mean of its divisors is an integer number (12032461).

Almost surely, 2^24064921 is an apocalyptic number.

It is an amenable number.

24064921 is a deficient number, since it is larger than the sum of its proper divisors (1).

24064921 is an equidigital number, since it uses as much as digits as its factorization.

24064921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 24064921 is about 4905.6009825505. The cubic root of 24064921 is about 288.7097695742.

The spelling of 24064921 in words is "twenty-four million, sixty-four thousand, nine hundred twenty-one".