13525401343 has 4 divisors (see below), whose sum is σ = 13525763400.
Its totient is φ = 13525039288.
The previous prime is 13525401301. The next prime is 13525401349. The reversal of 13525401343 is 34310452531.
Adding to 13525401343 its reverse (34310452531), we get a palindrome (47835853874).
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34310452531 = 4231 ⋅8109301.
It is a cyclic number.
It is not a de Polignac number, because 13525401343 - 29 = 13525400831 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 (13525401349) 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, 117580 + ... + 202177.
It is an arithmetic number, because the mean of its divisors is an integer number (3381440850).
Almost surely, 213525401343 is an apocalyptic number.
13525401343 is a deficient number, since it is larger than the sum of its proper divisors (362057).
13525401343 is an equidigital number, since it uses as much as digits as its factorization.
13525401343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 362056.
The product of its (nonzero) digits is 21600, while the sum is 31.
The spelling of 13525401343 in words is "thirteen billion, five hundred twenty-five million, four hundred one thousand, three hundred forty-three".