13525144201 has 4 divisors (see below), whose sum is σ = 13527133312. Its totient is φ = 13523155092.

The previous prime is 13525144187. The next prime is 13525144249. The reversal of 13525144201 is 10244152531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13525144201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13525144201.

It is not an unprimeable number, because it can be changed into a prime (13525144271) 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, 984321 + ... + 997966.

It is an arithmetic number, because the mean of its divisors is an integer number (3381783328).

Almost surely, 2^13525144201 is an apocalyptic number.

It is an amenable number.

13525144201 is a deficient number, since it is larger than the sum of its proper divisors (1989111).

13525144201 is an equidigital number, since it uses as much as digits as its factorization.

13525144201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989110.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 13525144201 its reverse (10244152531), we get a palindrome (23769296732).

The spelling of 13525144201 in words is "thirteen billion, five hundred twenty-five million, one hundred forty-four thousand, two hundred one".