13525441001 has 4 divisors (see below), whose sum is σ = 13747169604. Its totient is φ = 13303712400.

The previous prime is 13525440997. The next prime is 13525441021. The reversal of 13525441001 is 10014452531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184960000 + 13340481001 = 13600^2 + 115501^2 .

It is a cyclic number.

It is not a de Polignac number, because 13525441001 - 2² = 13525440997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13525441021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110864210 + ... + 110864331.

It is an arithmetic number, because the mean of its divisors is an integer number (3436792401).

Almost surely, 2^13525441001 is an apocalyptic number.

It is an amenable number.

13525441001 is a deficient number, since it is larger than the sum of its proper divisors (221728603).

13525441001 is an equidigital number, since it uses as much as digits as its factorization.

13525441001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221728602.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 13525441001 its reverse (10014452531), we get a palindrome (23539893532).

The spelling of 13525441001 in words is "thirteen billion, five hundred twenty-five million, four hundred forty-one thousand, one".