14140625 has 16 divisors (see below), whose sum is σ = 17773392. Its totient is φ = 11250000.

The previous prime is 14140591. The next prime is 14140631. The reversal of 14140625 is 52604141.

It can be written as a sum of positive squares in 8 ways, for example, as 6345361 + 7795264 = 2519^2 + 2792^2 .

It is not a de Polignac number, because 14140625 - 2¹⁸ = 13878481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14140625.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78035 + ... + 78215.

It is an arithmetic number, because the mean of its divisors is an integer number (1110837).

Almost surely, 2^14140625 is an apocalyptic number.

It is an amenable number.

14140625 is a deficient number, since it is larger than the sum of its proper divisors (3632767).

14140625 is an frugal number, since it uses more digits than its factorization.

14140625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 14140625 is about 3760.4022391228. The cubic root of 14140625 is about 241.8185067714.

Adding to 14140625 its reverse (52604141), we get a palindrome (66744766).

The spelling of 14140625 in words is "fourteen million, one hundred forty thousand, six hundred twenty-five".