13532540401 has 4 divisors (see below), whose sum is σ = 13862602404. Its totient is φ = 13202478400.

The previous prime is 13532540393. The next prime is 13532540419. The reversal of 13532540401 is 10404523531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10404523531 = 1171 ⋅8885161.

It can be written as a sum of positive squares in 2 ways, for example, as 4003852176 + 9528688225 = 63276^2 + 97615^2 .

It is a cyclic number.

It is not a de Polignac number, because 13532540401 - 2³ = 13532540393 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 13532540401.

It is not an unprimeable number, because it can be changed into a prime (13532540101) 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, 165030940 + ... + 165031021.

It is an arithmetic number, because the mean of its divisors is an integer number (3465650601).

Almost surely, 2^13532540401 is an apocalyptic number.

It is an amenable number.

13532540401 is a deficient number, since it is larger than the sum of its proper divisors (330062003).

13532540401 is an equidigital number, since it uses as much as digits as its factorization.

13532540401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330062002.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 13532540401 in words is "thirteen billion, five hundred thirty-two million, five hundred forty thousand, four hundred one".