13534531001 has 4 divisors (see below), whose sum is σ = 13534772004. Its totient is φ = 13534290000.

The previous prime is 13534530973. The next prime is 13534531009. The reversal of 13534531001 is 10013543531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10013543531 = 10037 ⋅997663.

It can be written as a sum of positive squares in 2 ways, for example, as 354342976 + 13180188025 = 18824^2 + 114805^2 .

It is a cyclic number.

It is not a de Polignac number, because 13534531001 - 2¹⁸ = 13534268857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13534531009) 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, 13151 + ... + 165051.

It is an arithmetic number, because the mean of its divisors is an integer number (3383693001).

Almost surely, 2^13534531001 is an apocalyptic number.

It is an amenable number.

13534531001 is a deficient number, since it is larger than the sum of its proper divisors (241003).

13534531001 is an equidigital number, since it uses as much as digits as its factorization.

13534531001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241002.

The product of its (nonzero) digits is 2700, while the sum is 26.

It can be divided in two parts, 1353 and 4531001, that added together give a palindrome (4532354).

The spelling of 13534531001 in words is "thirteen billion, five hundred thirty-four million, five hundred thirty-one thousand, one".