42030526 has 4 divisors (see below), whose sum is σ = 63045792. Its totient is φ = 21015262.

The previous prime is 42030497. The next prime is 42030533. The reversal of 42030526 is 62503024.

It is a happy number.

42030526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42030497 and 42030506.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10507630 + ... + 10507633.

It is an arithmetic number, because the mean of its divisors is an integer number (15761448).

Almost surely, 2^42030526 is an apocalyptic number.

42030526 is a deficient number, since it is larger than the sum of its proper divisors (21015266).

42030526 is a wasteful number, since it uses less digits than its factorization.

42030526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21015265.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 42030526 is about 6483.0954026607. The cubic root of 42030526 is about 347.6868577368.

The spelling of 42030526 in words is "forty-two million, thirty thousand, five hundred twenty-six".