14981009 has 2 divisors, whose sum is σ = 14981010. Its totient is φ = 14981008.

The previous prime is 14980993. The next prime is 14981011. The reversal of 14981009 is 90018941.

14981009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8427409 + 6553600 = 2903^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 14981009 - 2⁴ = 14980993 is a prime.

It is a Sophie Germain prime.

Together with 14981011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14981039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7490504 + 7490505.

It is an arithmetic number, because the mean of its divisors is an integer number (7490505).

Almost surely, 2^14981009 is an apocalyptic number.

It is an amenable number.

14981009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14981009 is an equidigital number, since it uses as much as digits as its factorization.

14981009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 14981009 is about 3870.5308421456. The cubic root of 14981009 is about 246.5170838482.

The spelling of 14981009 in words is "fourteen million, nine hundred eighty-one thousand, nine".