13525354541 has 4 divisors (see below), whose sum is σ = 13539342432. Its totient is φ = 13511366652.

The previous prime is 13525354537. The next prime is 13525354571. The reversal of 13525354541 is 14545352531.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14545352531 = 3877 ⋅3751703.

It is a cyclic number.

It is not a de Polignac number, because 13525354541 - 2² = 13525354537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13525354495 and 13525354504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525354571) 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, 6992495 + ... + 6994428.

It is an arithmetic number, because the mean of its divisors is an integer number (3384835608).

Almost surely, 2^13525354541 is an apocalyptic number.

It is an amenable number.

13525354541 is a deficient number, since it is larger than the sum of its proper divisors (13987891).

13525354541 is an equidigital number, since it uses as much as digits as its factorization.

13525354541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13987890.

The product of its digits is 180000, while the sum is 38.

The spelling of 13525354541 in words is "thirteen billion, five hundred twenty-five million, three hundred fifty-four thousand, five hundred forty-one".