42534533 has 4 divisors (see below), whose sum is σ = 42932160. Its totient is φ = 42136908.

The previous prime is 42534529. The next prime is 42534553. The reversal of 42534533 is 33543524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42534533 - 2² = 42534529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42534496 and 42534505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42534553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198653 + ... + 198866.

It is an arithmetic number, because the mean of its divisors is an integer number (10733040).

Almost surely, 2^42534533 is an apocalyptic number.

It is an amenable number.

42534533 is a deficient number, since it is larger than the sum of its proper divisors (397627).

42534533 is a wasteful number, since it uses less digits than its factorization.

42534533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397626.

The product of its digits is 21600, while the sum is 29.

The square root of 42534533 is about 6521.8504276011. The cubic root of 42534533 is about 349.0710960431.

The spelling of 42534533 in words is "forty-two million, five hundred thirty-four thousand, five hundred thirty-three".