14420525 has 24 divisors (see below), whose sum is σ = 21516480. Its totient is φ = 9365760.

The previous prime is 14420521. The next prime is 14420537. The reversal of 14420525 is 52502441.

It is a happy number.

It is not a de Polignac number, because 14420525 - 2² = 14420521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14420525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157 + ... + 5493.

It is an arithmetic number, because the mean of its divisors is an integer number (896520).

Almost surely, 2^14420525 is an apocalyptic number.

It is an amenable number.

14420525 is a deficient number, since it is larger than the sum of its proper divisors (7095955).

14420525 is a wasteful number, since it uses less digits than its factorization.

14420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373 (or 4368 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 14420525 is about 3797.4366354161. The cubic root of 14420525 is about 243.4036149440.

Adding to 14420525 its reverse (52502441), we get a palindrome (66922966).

The spelling of 14420525 in words is "fourteen million, four hundred twenty thousand, five hundred twenty-five".