13525242330 has 128 divisors (see below), whose sum is σ = 35616941568. Its totient is φ = 3273080832.

The previous prime is 13525242281. The next prime is 13525242331. The reversal of 13525242330 is 3324252531.

13525242330 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (13525242331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2129139 + ... + 2135481.

It is an arithmetic number, because the mean of its divisors is an integer number (278257356).

Almost surely, 2^13525242330 is an apocalyptic number.

13525242330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13525242330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17808470784).

13525242330 is an abundant number, since it is smaller than the sum of its proper divisors (22091699238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13525242330 is a wasteful number, since it uses less digits than its factorization.

13525242330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6520.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 13525242330 its reverse (3324252531), we get a palindrome (16849494861).

The spelling of 13525242330 in words is "thirteen billion, five hundred twenty-five million, two hundred forty-two thousand, three hundred thirty".