13453525242 has 24 divisors (see below), whose sum is σ = 29860264980. Its totient is φ = 4375129920.

The previous prime is 13453525223. The next prime is 13453525243. The reversal of 13453525242 is 24252535431.

13453525242 is a `hidden beast` number, since 1 + 34 + 53 + 52 + 524 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8988746481 + 4464778761 = 94809^2 + 66819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13453525197 and 13453525206.

It is not an unprimeable number, because it can be changed into a prime (13453525243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9114117 + ... + 9115592.

Almost surely, 2^13453525242 is an apocalyptic number.

13453525242 is an abundant number, since it is smaller than the sum of its proper divisors (16406739738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13453525242 is a wasteful number, since it uses less digits than its factorization.

13453525242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18229758 (or 18229755 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 13453525242 in words is "thirteen billion, four hundred fifty-three million, five hundred twenty-five thousand, two hundred forty-two".