14561021 has 4 divisors (see below), whose sum is σ = 14605344. Its totient is φ = 14516700.

The previous prime is 14561003. The next prime is 14561033. The reversal of 14561021 is 12016541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14561021 - 2⁶ = 14560957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14560984 and 14561002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14531021) 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, 21665 + ... + 22326.

It is an arithmetic number, because the mean of its divisors is an integer number (3651336).

Almost surely, 2^14561021 is an apocalyptic number.

It is an amenable number.

14561021 is a deficient number, since it is larger than the sum of its proper divisors (44323).

14561021 is an equidigital number, since it uses as much as digits as its factorization.

14561021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44322.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 14561021 is about 3815.8905906747. The cubic root of 14561021 is about 244.1915375479.

Adding to 14561021 its reverse (12016541), we get a palindrome (26577562).

The spelling of 14561021 in words is "fourteen million, five hundred sixty-one thousand, twenty-one".