13545925 has 6 divisors (see below), whose sum is σ = 16796978. Its totient is φ = 10836720.

The previous prime is 13545907. The next prime is 13545941. The reversal of 13545925 is 52954531.

It can be written as a sum of positive squares in 3 ways, for example, as 2033476 + 11512449 = 1426^2 + 3393^2 .

It is not a de Polignac number, because 13545925 - 2⁷ = 13545797 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 270894 + ... + 270943.

Almost surely, 2^13545925 is an apocalyptic number.

It is an amenable number.

13545925 is a deficient number, since it is larger than the sum of its proper divisors (3251053).

13545925 is an equidigital number, since it uses as much as digits as its factorization.

13545925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541847 (or 541842 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 13545925 is about 3680.4789090552. The cubic root of 13545925 is about 238.3798573605.

The spelling of 13545925 in words is "thirteen million, five hundred forty-five thousand, nine hundred twenty-five".