14118521 has 2 divisors, whose sum is σ = 14118522. Its totient is φ = 14118520.

The previous prime is 14118509. The next prime is 14118541. The reversal of 14118521 is 12581141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14100025 + 18496 = 3755^2 + 136^2 .

It is a cyclic number.

It is not a de Polignac number, because 14118521 - 2⁶ = 14118457 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14118541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7059260 + 7059261.

It is an arithmetic number, because the mean of its divisors is an integer number (7059261).

Almost surely, 2^14118521 is an apocalyptic number.

It is an amenable number.

14118521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14118521 is an equidigital number, since it uses as much as digits as its factorization.

14118521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 23.

The square root of 14118521 is about 3757.4620423898. The cubic root of 14118521 is about 241.6924410613.

Adding to 14118521 its reverse (12581141), we get a palindrome (26699662).

The spelling of 14118521 in words is "fourteen million, one hundred eighteen thousand, five hundred twenty-one".