42542535325 has 6 divisors (see below), whose sum is σ = 52752743834. Its totient is φ = 34034028240.

The previous prime is 42542535313. The next prime is 42542535331. The reversal of 42542535325 is 52353524524.

It can be written as a sum of positive squares in 3 ways, for example, as 843670116 + 41698865209 = 29046^2 + 204203^2 .

It is not a de Polignac number, because 42542535325 - 2¹⁵ = 42542502557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 850850682 + ... + 850850731.

Almost surely, 2^42542535325 is an apocalyptic number.

It is an amenable number.

42542535325 is a deficient number, since it is larger than the sum of its proper divisors (10210208509).

42542535325 is a wasteful number, since it uses less digits than its factorization.

42542535325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701701423 (or 1701701418 counting only the distinct ones).

The product of its digits is 720000, while the sum is 40.

The spelling of 42542535325 in words is "forty-two billion, five hundred forty-two million, five hundred thirty-five thousand, three hundred twenty-five".