42003527 has 4 divisors (see below), whose sum is σ = 42214800. Its totient is φ = 41792256.

The previous prime is 42003491. The next prime is 42003539. The reversal of 42003527 is 72530024.

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

It is a cyclic number.

It is not a de Polignac number, because 42003527 - 2⁶ = 42003463 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 (42003587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105338 + ... + 105735.

It is an arithmetic number, because the mean of its divisors is an integer number (10553700).

Almost surely, 2^42003527 is an apocalyptic number.

42003527 is a deficient number, since it is larger than the sum of its proper divisors (211273).

42003527 is a wasteful number, since it uses less digits than its factorization.

42003527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211272.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 42003527 is about 6481.0128066530. The cubic root of 42003527 is about 347.6123943321.

It can be divided in two parts, 4 and 2003527, that multiplied together give a palindrome (8014108).

The spelling of 42003527 in words is "forty-two million, three thousand, five hundred twenty-seven".