15424109 has 2 divisors, whose sum is σ = 15424110. Its totient is φ = 15424108.

The previous prime is 15424093. The next prime is 15424121. The reversal of 15424109 is 90142451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15382084 + 42025 = 3922^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 15424109 - 2⁴ = 15424093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15424169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712054 + 7712055.

It is an arithmetic number, because the mean of its divisors is an integer number (7712055).

Almost surely, 2^15424109 is an apocalyptic number.

It is an amenable number.

15424109 is a deficient number, since it is larger than the sum of its proper divisors (1).

15424109 is an equidigital number, since it uses as much as digits as its factorization.

15424109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 15424109 is about 3927.3539438151. The cubic root of 15424109 is about 248.9239564998.

The spelling of 15424109 in words is "fifteen million, four hundred twenty-four thousand, one hundred nine".