42531033 has 8 divisors (see below), whose sum is σ = 56743200. Its totient is φ = 28336448.

The previous prime is 42531031. The next prime is 42531061. The reversal of 42531033 is 33013524.

42531033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42531033 - 2¹ = 42531031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42531031) 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 7 ways as a sum of consecutive naturals, for example, 3058 + ... + 9716.

It is an arithmetic number, because the mean of its divisors is an integer number (7092900).

Almost surely, 2^42531033 is an apocalyptic number.

It is an amenable number.

42531033 is a deficient number, since it is larger than the sum of its proper divisors (14212167).

42531033 is a wasteful number, since it uses less digits than its factorization.

42531033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 42531033 is about 6521.5820933267. The cubic root of 42531033 is about 349.0615212164.

Adding to 42531033 its reverse (33013524), we get a palindrome (75544557).

The spelling of 42531033 in words is "forty-two million, five hundred thirty-one thousand, thirty-three".