13625563 has 8 divisors (see below), whose sum is σ = 16109280. Its totient is φ = 11276160.

The previous prime is 13625543. The next prime is 13625569. The reversal of 13625563 is 36552631.

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

It is not a de Polignac number, because 13625563 - 2²¹ = 11528411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13625569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33358 + ... + 33763.

It is an arithmetic number, because the mean of its divisors is an integer number (2013660).

Almost surely, 2^13625563 is an apocalyptic number.

13625563 is a deficient number, since it is larger than the sum of its proper divisors (2483717).

13625563 is an equidigital number, since it uses as much as digits as its factorization.

13625563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67157.

The product of its digits is 16200, while the sum is 31.

The square root of 13625563 is about 3691.2820266135. The cubic root of 13625563 is about 238.8460987557.

The spelling of 13625563 in words is "thirteen million, six hundred twenty-five thousand, five hundred sixty-three".