13524255497 has 4 divisors (see below), whose sum is σ = 14319799956. Its totient is φ = 12728711040.

The previous prime is 13524255469. The next prime is 13524255509. The reversal of 13524255497 is 79455242531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12431358016 + 1092897481 = 111496^2 + 33059^2 .

It is a cyclic number.

It is not a de Polignac number, because 13524255497 - 2²² = 13520061193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13524255097) 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, 397772204 + ... + 397772237.

It is an arithmetic number, because the mean of its divisors is an integer number (3579949989).

Almost surely, 2^13524255497 is an apocalyptic number.

13524255497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13524255497 is a deficient number, since it is larger than the sum of its proper divisors (795544459).

13524255497 is an equidigital number, since it uses as much as digits as its factorization.

13524255497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795544458.

The product of its digits is 1512000, while the sum is 47.

The spelling of 13524255497 in words is "thirteen billion, five hundred twenty-four million, two hundred fifty-five thousand, four hundred ninety-seven".