14535421 has 4 divisors (see below), whose sum is σ = 14543100. Its totient is φ = 14527744.

The previous prime is 14535403. The next prime is 14535427. The reversal of 14535421 is 12453541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13912900 + 622521 = 3730^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 14535421 - 2¹¹ = 14533373 is a prime.

It is a super-2 number, since 2×14535421² = 422556927294482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14535427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (3635775).

Almost surely, 2^14535421 is an apocalyptic number.

It is an amenable number.

14535421 is a deficient number, since it is larger than the sum of its proper divisors (7679).

14535421 is an equidigital number, since it uses as much as digits as its factorization.

14535421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7678.

The product of its digits is 2400, while the sum is 25.

The square root of 14535421 is about 3812.5347211534. The cubic root of 14535421 is about 244.0483477159.

Adding to 14535421 its reverse (12453541), we get a palindrome (26988962).

The spelling of 14535421 in words is "fourteen million, five hundred thirty-five thousand, four hundred twenty-one".