24140309 has 2 divisors, whose sum is σ = 24140310. Its totient is φ = 24140308.

The previous prime is 24140261. The next prime is 24140327. The reversal of 24140309 is 90304142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22829284 + 1311025 = 4778^2 + 1145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24140309 is a prime.

It is a Chen prime.

It is equal to p_1515344 and since 24140309 and 1515344 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24140009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12070154 + 12070155.

It is an arithmetic number, because the mean of its divisors is an integer number (12070155).

Almost surely, 2^24140309 is an apocalyptic number.

It is an amenable number.

24140309 is a deficient number, since it is larger than the sum of its proper divisors (1).

24140309 is an equidigital number, since it uses as much as digits as its factorization.

24140309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 24140309 is about 4913.2788441121. The cubic root of 24140309 is about 289.0109349598.

The spelling of 24140309 in words is "twenty-four million, one hundred forty thousand, three hundred nine".