24532009 has 2 divisors, whose sum is σ = 24532010. Its totient is φ = 24532008.

The previous prime is 24531937. The next prime is 24532019. The reversal of 24532009 is 90023542.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19333609 + 5198400 = 4397^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 24532009 - 2⁹ = 24531497 is a prime.

It is not a weakly prime, because it can be changed into another prime (24532019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12266004 + 12266005.

It is an arithmetic number, because the mean of its divisors is an integer number (12266005).

Almost surely, 2^24532009 is an apocalyptic number.

It is an amenable number.

24532009 is a deficient number, since it is larger than the sum of its proper divisors (1).

24532009 is an equidigital number, since it uses as much as digits as its factorization.

24532009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 24532009 is about 4952.9798101749. The cubic root of 24532009 is about 290.5657169557.

The spelling of 24532009 in words is "twenty-four million, five hundred thirty-two thousand, nine".