42305541525 has 36 divisors (see below), whose sum is σ = 81602694628. Its totient is φ = 20827342080.

The previous prime is 42305541517. The next prime is 42305541527. The reversal of 42305541525 is 52514550324.

42305541525 is a `hidden beast` number, since 4 + 230 + 5 + 5 + 415 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 15877512036 + 26428029489 = 126006^2 + 162567^2 .

It is not a de Polignac number, because 42305541525 - 2³ = 42305541517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42305541525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42305541527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7228792 + ... + 7234641.

Almost surely, 2^42305541525 is an apocalyptic number.

42305541525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42305541525 is a deficient number, since it is larger than the sum of its proper divisors (39297153103).

42305541525 is a wasteful number, since it uses less digits than its factorization.

42305541525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14463462 (or 14463454 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 42305541525 in words is "forty-two billion, three hundred five million, five hundred forty-one thousand, five hundred twenty-five".