13530025424 has 20 divisors (see below), whose sum is σ = 26216384544. Its totient is φ = 6764506848.

The previous prime is 13530025363. The next prime is 13530025427. The reversal of 13530025424 is 42452003531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530025427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285299 + ... + 329325.

Almost surely, 2^13530025424 is an apocalyptic number.

It is an amenable number.

13530025424 is a deficient number, since it is larger than the sum of its proper divisors (12686359120).

13530025424 is a wasteful number, since it uses less digits than its factorization.

13530025424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63242 (or 63236 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 13530025424 its reverse (42452003531), we get a palindrome (55982028955).

The spelling of 13530025424 in words is "thirteen billion, five hundred thirty million, twenty-five thousand, four hundred twenty-four".