13542625 has 16 divisors (see below), whose sum is σ = 17898192. Its totient is φ = 10195200.

The previous prime is 13542577. The next prime is 13542637. The reversal of 13542625 is 52624531.

13542625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1032256 + 12510369 = 1016^2 + 3537^2 .

It is not a de Polignac number, because 13542625 - 2¹¹ = 13540577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13542593 and 13542602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (1118637).

Almost surely, 2^13542625 is an apocalyptic number.

13542625 is the 2125-th octagonal number.

It is an amenable number.

13542625 is a deficient number, since it is larger than the sum of its proper divisors (4355567).

13542625 is an equidigital number, since it uses as much as digits as its factorization.

13542625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6405 (or 6395 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 13542625 is about 3680.0305705252. The cubic root of 13542625 is about 238.3604980964.

The spelling of 13542625 in words is "thirteen million, five hundred forty-two thousand, six hundred twenty-five".