42352522525 has 6 divisors (see below), whose sum is σ = 52517127962. Its totient is φ = 33882018000.

The previous prime is 42352522523. The next prime is 42352522543. The reversal of 42352522525 is 52522525324.

42352522525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 400880484 + 41951642041 = 20022^2 + 204821^2 .

It is not a de Polignac number, because 42352522525 - 2¹ = 42352522523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42352522523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 847050426 + ... + 847050475.

Almost surely, 2^42352522525 is an apocalyptic number.

It is an amenable number.

42352522525 is a deficient number, since it is larger than the sum of its proper divisors (10164605437).

42352522525 is a wasteful number, since it uses less digits than its factorization.

42352522525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694100911 (or 1694100906 counting only the distinct ones).

The product of its digits is 240000, while the sum is 37.

The spelling of 42352522525 in words is "forty-two billion, three hundred fifty-two million, five hundred twenty-two thousand, five hundred twenty-five".