13531541 has 16 divisors (see below), whose sum is σ = 14883264. Its totient is φ = 12251904.

The previous prime is 13531523. The next prime is 13531547. The reversal of 13531541 is 14513531.

It is not a de Polignac number, because 13531541 - 2¹⁴ = 13515157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78131 + ... + 78303.

It is an arithmetic number, because the mean of its divisors is an integer number (930204).

Almost surely, 2^13531541 is an apocalyptic number.

It is an amenable number.

13531541 is a deficient number, since it is larger than the sum of its proper divisors (1351723).

13531541 is a wasteful number, since it uses less digits than its factorization.

13531541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 900, while the sum is 23.

The square root of 13531541 is about 3678.5242965080. The cubic root of 13531541 is about 238.2954514044.

The spelling of 13531541 in words is "thirteen million, five hundred thirty-one thousand, five hundred forty-one".