24664427 has 2 divisors, whose sum is σ = 24664428. Its totient is φ = 24664426.

The previous prime is 24664421. The next prime is 24664429. The reversal of 24664427 is 72446642.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24664427 - 2¹⁸ = 24402283 is a prime.

Together with 24664429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (24664421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12332213 + 12332214.

It is an arithmetic number, because the mean of its divisors is an integer number (12332214).

Almost surely, 2^24664427 is an apocalyptic number.

24664427 is a deficient number, since it is larger than the sum of its proper divisors (1).

24664427 is an equidigital number, since it uses as much as digits as its factorization.

24664427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 35.

The square root of 24664427 is about 4966.3293285887. The cubic root of 24664427 is about 291.0875808547.

The spelling of 24664427 in words is "twenty-four million, six hundred sixty-four thousand, four hundred twenty-seven".