14564009 has 2 divisors, whose sum is σ = 14564010. Its totient is φ = 14564008.

The previous prime is 14563999. The next prime is 14564023. The reversal of 14564009 is 90046541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14137600 + 426409 = 3760^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 14564009 - 2¹² = 14559913 is a prime.

It is a super-2 number, since 2×14564009² = 424220716304162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14564309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7282004 + 7282005.

It is an arithmetic number, because the mean of its divisors is an integer number (7282005).

Almost surely, 2^14564009 is an apocalyptic number.

It is an amenable number.

14564009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14564009 is an equidigital number, since it uses as much as digits as its factorization.

14564009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 14564009 is about 3816.2820912506. The cubic root of 14564009 is about 244.2082395455.

The spelling of 14564009 in words is "fourteen million, five hundred sixty-four thousand, nine".