13531453 has 4 divisors (see below), whose sum is σ = 14572348. Its totient is φ = 12490560.

The previous prime is 13531451. The next prime is 13531459. The reversal of 13531453 is 35413531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35413531 = 499 ⋅70969.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 10004569 = 1878^2 + 3163^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531453 - 2¹ = 13531451 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 (13531451) 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, 520428 + ... + 520453.

It is an arithmetic number, because the mean of its divisors is an integer number (3643087).

Almost surely, 2^13531453 is an apocalyptic number.

13531453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13531453 is a deficient number, since it is larger than the sum of its proper divisors (1040895).

13531453 is a wasteful number, since it uses less digits than its factorization.

13531453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040894.

The product of its digits is 2700, while the sum is 25.

The square root of 13531453 is about 3678.5123351703. The cubic root of 13531453 is about 238.2949348324.

Adding to 13531453 its reverse (35413531), we get a palindrome (48944984).

The spelling of 13531453 in words is "thirteen million, five hundred thirty-one thousand, four hundred fifty-three".