14578009 has 2 divisors, whose sum is σ = 14578010. Its totient is φ = 14578008.

The previous prime is 14577991. The next prime is 14578013. The reversal of 14578009 is 90087541.

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., 10465225 + 4112784 = 3235^2 + 2028^2 .

It is an emirp because it is prime and its reverse (90087541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14578009 - 2⁵ = 14577977 is a prime.

It is not a weakly prime, because it can be changed into another prime (14578019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7289004 + 7289005.

It is an arithmetic number, because the mean of its divisors is an integer number (7289005).

Almost surely, 2^14578009 is an apocalyptic number.

It is an amenable number.

14578009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14578009 is an equidigital number, since it uses as much as digits as its factorization.

14578009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 14578009 is about 3818.1158966171. The cubic root of 14578009 is about 244.2864648115.

The spelling of 14578009 in words is "fourteen million, five hundred seventy-eight thousand, nine".