13625243 has 8 divisors (see below), whose sum is σ = 14007840. Its totient is φ = 13245120.

The previous prime is 13625237. The next prime is 13625251. The reversal of 13625243 is 34252631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13625243 - 2⁸ = 13624987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13625233) 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 7 ways as a sum of consecutive naturals, for example, 17621 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (1750980).

Almost surely, 2^13625243 is an apocalyptic number.

13625243 is a deficient number, since it is larger than the sum of its proper divisors (382597).

13625243 is an equidigital number, since it uses as much as digits as its factorization.

13625243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237.

The product of its digits is 4320, while the sum is 26.

The square root of 13625243 is about 3691.2386809850. The cubic root of 13625243 is about 238.8442289529.

Adding to 13625243 its reverse (34252631), we get a palindrome (47877874).

The spelling of 13625243 in words is "thirteen million, six hundred twenty-five thousand, two hundred forty-three".