13442057325 has 120 divisors (see below), whose sum is σ = 26106239808. Its totient is φ = 6824632320.

The previous prime is 13442057249. The next prime is 13442057381. The reversal of 13442057325 is 52375024431.

13442057325 is a `hidden beast` number, since 1 + 3 + 44 + 20 + 573 + 25 = 666.

It is not a de Polignac number, because 13442057325 - 2¹⁶ = 13441991789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13442057325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 11969214 + ... + 11970336.

Almost surely, 2^13442057325 is an apocalyptic number.

13442057325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13442057325 is a deficient number, since it is larger than the sum of its proper divisors (12664182483).

13442057325 is a wasteful number, since it uses less digits than its factorization.

13442057325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 13442057325 in words is "thirteen billion, four hundred forty-two million, fifty-seven thousand, three hundred twenty-five".