13552425 has 72 divisors (see below), whose sum is σ = 26307840. Its totient is φ = 6652800.

The previous prime is 13552421. The next prime is 13552457. The reversal of 13552425 is 52425531.

It is a happy number.

13552425 is a `hidden beast` number, since 135 + 524 + 2 + 5 = 666.

It is not a de Polignac number, because 13552425 - 2² = 13552421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13552421) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 202242 + ... + 202308.

Almost surely, 2^13552425 is an apocalyptic number.

13552425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13552425 is a deficient number, since it is larger than the sum of its proper divisors (12755415).

13552425 is a wasteful number, since it uses less digits than its factorization.

13552425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 135 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 13552425 is about 3681.3618404063. The cubic root of 13552425 is about 238.4179800505.

Adding to 13552425 its reverse (52425531), we get a palindrome (65977956).

The spelling of 13552425 in words is "thirteen million, five hundred fifty-two thousand, four hundred twenty-five".