24909139 has 2 divisors, whose sum is σ = 24909140. Its totient is φ = 24909138.

The previous prime is 24909121. The next prime is 24909163. The reversal of 24909139 is 93190942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24909139 - 2⁷ = 24909011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 24909098 and 24909107.

It is not a weakly prime, because it can be changed into another prime (24909119) 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, 12454569 + 12454570.

It is an arithmetic number, because the mean of its divisors is an integer number (12454570).

Almost surely, 2^24909139 is an apocalyptic number.

24909139 is a deficient number, since it is larger than the sum of its proper divisors (1).

24909139 is an equidigital number, since it uses as much as digits as its factorization.

24909139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 24909139 is about 4990.9056292421. The cubic root of 24909139 is about 292.0471048984.

The spelling of 24909139 in words is "twenty-four million, nine hundred nine thousand, one hundred thirty-nine".