13625543 has 2 divisors, whose sum is σ = 13625544. Its totient is φ = 13625542.

The previous prime is 13625537. The next prime is 13625569. The reversal of 13625543 is 34552631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13625543 - 2¹⁴ = 13609159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13625533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6812771 + 6812772.

It is an arithmetic number, because the mean of its divisors is an integer number (6812772).

Almost surely, 2^13625543 is an apocalyptic number.

13625543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13625543 is an equidigital number, since it uses as much as digits as its factorization.

13625543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 13625543 is about 3691.2793175266. The cubic root of 13625543 is about 238.8459818939.

The spelling of 13625543 in words is "thirteen million, six hundred twenty-five thousand, five hundred forty-three".