14520005 has 4 divisors (see below), whose sum is σ = 17424012. Its totient is φ = 11616000.

The previous prime is 14519993. The next prime is 14520019. The reversal of 14520005 is 50002541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50002541 = 997 ⋅50153.

It can be written as a sum of positive squares in 2 ways, for example, as 10329796 + 4190209 = 3214^2 + 2047^2 .

It is not a de Polignac number, because 14520005 - 2¹⁰ = 14518981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451996 + ... + 1452005.

It is an arithmetic number, because the mean of its divisors is an integer number (4356003).

Almost surely, 2^14520005 is an apocalyptic number.

It is an amenable number.

14520005 is a deficient number, since it is larger than the sum of its proper divisors (2904007).

14520005 is an equidigital number, since it uses as much as digits as its factorization.

14520005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904006.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 14520005 is about 3810.5124327313. The cubic root of 14520005 is about 243.9620394677.

Adding to 14520005 its reverse (50002541), we get a palindrome (64522546).

The spelling of 14520005 in words is "fourteen million, five hundred twenty thousand, five".