13542425 has 12 divisors (see below), whose sum is σ = 18084780. Its totient is φ = 10000320.

The previous prime is 13542413. The next prime is 13542433. The reversal of 13542425 is 52424531.

It is a happy number.

13542425 is digitally balanced in base 3, 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 6 ways, for example, as 3474496 + 10067929 = 1864^2 + 3173^2 .

It is not a de Polignac number, because 13542425 - 2¹⁴ = 13526041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13542394 and 13542403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20510 + ... + 21159.

It is an arithmetic number, because the mean of its divisors is an integer number (1507065).

Almost surely, 2^13542425 is an apocalyptic number.

It is an amenable number.

13542425 is a deficient number, since it is larger than the sum of its proper divisors (4542355).

13542425 is a wasteful number, since it uses less digits than its factorization.

13542425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41692 (or 41687 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 13542425 is about 3680.0033967376. The cubic root of 13542425 is about 238.3593247066.

Adding to 13542425 its reverse (52424531), we get a palindrome (65966956).

It can be divided in two parts, 135424 and 25, that multiplied together give a square (3385600 = 1840²).

The spelling of 13542425 in words is "thirteen million, five hundred forty-two thousand, four hundred twenty-five".