13425525445 has 4 divisors (see below), whose sum is σ = 16110630540. Its totient is φ = 10740420352.

The previous prime is 13425525433. The next prime is 13425525469. The reversal of 13425525445 is 54452552431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54452552431 = 2357 ⋅23102483.

It can be written as a sum of positive squares in 2 ways, for example, as 2758560484 + 10666964961 = 52522^2 + 103281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13425525445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13425525398 and 13425525407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342552540 + ... + 1342552549.

It is an arithmetic number, because the mean of its divisors is an integer number (4027657635).

Almost surely, 2^13425525445 is an apocalyptic number.

It is an amenable number.

13425525445 is a deficient number, since it is larger than the sum of its proper divisors (2685105095).

13425525445 is an equidigital number, since it uses as much as digits as its factorization.

13425525445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685105094.

The product of its digits is 480000, while the sum is 40.

The spelling of 13425525445 in words is "thirteen billion, four hundred twenty-five million, five hundred twenty-five thousand, four hundred forty-five".