42530536 has 16 divisors (see below), whose sum is σ = 79978500. Its totient is φ = 21202944.

The previous prime is 42530533. The next prime is 42530557. The reversal of 42530536 is 63503524.

42530536 = 171³ + 172³ + ... + 178³.

42530536 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 2 ways, for example, as 42328036 + 202500 = 6506^2 + 450^2 .

It is not an unprimeable number, because it can be changed into a prime (42530533) by changing a digit.

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, 4825 + ... + 10408.

Almost surely, 2^42530536 is an apocalyptic number.

It is an amenable number.

42530536 is a deficient number, since it is larger than the sum of its proper divisors (37447964).

42530536 is a wasteful number, since it uses less digits than its factorization.

42530536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15588 (or 15584 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 42530536 is about 6521.5439889646. The cubic root of 42530536 is about 349.0601615484.

The spelling of 42530536 in words is "forty-two million, five hundred thirty thousand, five hundred thirty-six".