13525340250 has 256 divisors, whose sum is σ = 36954537984. Its totient is φ = 3282048000.

The previous prime is 13525340239. The next prime is 13525340251. The reversal of 13525340250 is 5204352531.

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 (13525340251) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60651639 + ... + 60651861.

It is an arithmetic number, because the mean of its divisors is an integer number (144353664).

Almost surely, 2^13525340250 is an apocalyptic number.

13525340250 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 13525340250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18477268992).

13525340250 is an abundant number, since it is smaller than the sum of its proper divisors (23429197734).

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

13525340250 is a wasteful number, since it uses less digits than its factorization.

13525340250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 13525340250 its reverse (5204352531), we get a palindrome (18729692781).

The spelling of 13525340250 in words is "thirteen billion, five hundred twenty-five million, three hundred forty thousand, two hundred fifty".