14530409 has 2 divisors, whose sum is σ = 14530410. Its totient is φ = 14530408.

The previous prime is 14530387. The next prime is 14530433. The reversal of 14530409 is 90403541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14462809 + 67600 = 3803^2 + 260^2 .

It is an emirp because it is prime and its reverse (90403541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14530409 is a prime.

It is a super-2 number, since 2×14530409² = 422265571414562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14530469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7265204 + 7265205.

It is an arithmetic number, because the mean of its divisors is an integer number (7265205).

Almost surely, 2^14530409 is an apocalyptic number.

It is an amenable number.

14530409 is a deficient number, since it is larger than the sum of its proper divisors (1).

14530409 is an equidigital number, since it uses as much as digits as its factorization.

14530409 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 26.

The square root of 14530409 is about 3811.8773589925. The cubic root of 14530409 is about 244.0202941554.

The spelling of 14530409 in words is "fourteen million, five hundred thirty thousand, four hundred nine".